Home / 1,429,386.96-2,144,127.80-719,027.92

Finding the Fourth Proportional to 1,429,386.96, 2,144,127.80 and 719,027.92

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Solution

The fourth proportional to 1,429,386.96, 2,144,127.80 and 719,027.92 is: 1,078,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,386.96 : 2,144,127.80 = 719,027.92 : x
  2. Step 2: Convert to fraction form
    1,429,386.96/2,144,127.80 = 719,027.92/x
  3. Step 3: Cross multiply
    1,429,386.96x = 2,144,127.80 × 719,027.92
  4. Step 4: Simplify right side
    1,429,386.96x = 1,541,687,752,248.18
  5. Step 5: Solve for x
    x = 1,541,687,752,248.18/1,429,386.96
  6. Step 6: Final answer
    x = 1,078,565.70

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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.