Home / 1,152,246.30-1,728,369.45-646,287.90

Finding the Fourth Proportional to 1,152,246.30, 1,728,369.45 and 646,287.90

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Solution

The fourth proportional to 1,152,246.30, 1,728,369.45 and 646,287.90 is: 969,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,246.30 : 1,728,369.45 = 646,287.90 : x
  2. Step 2: Convert to fraction form
    1,152,246.30/1,728,369.45 = 646,287.90/x
  3. Step 3: Cross multiply
    1,152,246.30x = 1,728,369.45 × 646,287.90
  4. Step 4: Simplify right side
    1,152,246.30x = 1,117,024,262,264.66
  5. Step 5: Solve for x
    x = 1,117,024,262,264.66/1,152,246.30
  6. Step 6: Final answer
    x = 969,431.85

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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.