Home / 1,429,253.86-1,972,373.76-784,715.59

Finding the Fourth Proportional to 1,429,253.86, 1,972,373.76 and 784,715.59

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Solution

The fourth proportional to 1,429,253.86, 1,972,373.76 and 784,715.59 is: 1,082,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,253.86 : 1,972,373.76 = 784,715.59 : x
  2. Step 2: Convert to fraction form
    1,429,253.86/1,972,373.76 = 784,715.59/x
  3. Step 3: Cross multiply
    1,429,253.86x = 1,972,373.76 × 784,715.59
  4. Step 4: Simplify right side
    1,429,253.86x = 1,547,752,438,778.92
  5. Step 5: Solve for x
    x = 1,547,752,438,778.92/1,429,253.86
  6. Step 6: Final answer
    x = 1,082,909.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.