Home / 1,451,247.30-2,176,870.95-919,368.90

Finding the Fourth Proportional to 1,451,247.30, 2,176,870.95 and 919,368.90

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Solution

The fourth proportional to 1,451,247.30, 2,176,870.95 and 919,368.90 is: 1,379,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,247.30 : 2,176,870.95 = 919,368.90 : x
  2. Step 2: Convert to fraction form
    1,451,247.30/2,176,870.95 = 919,368.90/x
  3. Step 3: Cross multiply
    1,451,247.30x = 2,176,870.95 × 919,368.90
  4. Step 4: Simplify right side
    1,451,247.30x = 2,001,347,450,743.46
  5. Step 5: Solve for x
    x = 2,001,347,450,743.46/1,451,247.30
  6. Step 6: Final answer
    x = 1,379,053.35

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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.