Home / 1,006,419.93-1,509,851.65-437,890.29

Finding the Fourth Proportional to 1,006,419.93, 1,509,851.65 and 437,890.29

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Solution

The fourth proportional to 1,006,419.93, 1,509,851.65 and 437,890.29 is: 656,931.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,419.93 : 1,509,851.65 = 437,890.29 : x
  2. Step 2: Convert to fraction form
    1,006,419.93/1,509,851.65 = 437,890.29/x
  3. Step 3: Cross multiply
    1,006,419.93x = 1,509,851.65 × 437,890.29
  4. Step 4: Simplify right side
    1,006,419.93x = 661,149,376,875.48
  5. Step 5: Solve for x
    x = 661,149,376,875.48/1,006,419.93
  6. Step 6: Final answer
    x = 656,931.92

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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.