Home / 1,310,447.55-1,966,569.06-457,519.31

Finding the Fourth Proportional to 1,310,447.55, 1,966,569.06 and 457,519.31

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Solution

The fourth proportional to 1,310,447.55, 1,966,569.06 and 457,519.31 is: 686,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,447.55 : 1,966,569.06 = 457,519.31 : x
  2. Step 2: Convert to fraction form
    1,310,447.55/1,966,569.06 = 457,519.31/x
  3. Step 3: Cross multiply
    1,310,447.55x = 1,966,569.06 × 457,519.31
  4. Step 4: Simplify right side
    1,310,447.55x = 899,743,309,565.70
  5. Step 5: Solve for x
    x = 899,743,309,565.70/1,310,447.55
  6. Step 6: Final answer
    x = 686,592.39

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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.