Home / 1,440,164.30-2,160,246.45-442,892.30

Finding the Fourth Proportional to 1,440,164.30, 2,160,246.45 and 442,892.30

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Solution

The fourth proportional to 1,440,164.30, 2,160,246.45 and 442,892.30 is: 664,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,164.30 : 2,160,246.45 = 442,892.30 : x
  2. Step 2: Convert to fraction form
    1,440,164.30/2,160,246.45 = 442,892.30/x
  3. Step 3: Cross multiply
    1,440,164.30x = 2,160,246.45 × 442,892.30
  4. Step 4: Simplify right side
    1,440,164.30x = 956,756,518,807.34
  5. Step 5: Solve for x
    x = 956,756,518,807.34/1,440,164.30
  6. Step 6: Final answer
    x = 664,338.45

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Double scale
Find fourth proportional to 1,440,165.30, 2,160,247.95 and 442,893.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.