Home / 1,357,711.61-1,873,433.95-784,641.20

Finding the Fourth Proportional to 1,357,711.61, 1,873,433.95 and 784,641.20

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Solution

The fourth proportional to 1,357,711.61, 1,873,433.95 and 784,641.20 is: 1,082,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,711.61 : 1,873,433.95 = 784,641.20 : x
  2. Step 2: Convert to fraction form
    1,357,711.61/1,873,433.95 = 784,641.20/x
  3. Step 3: Cross multiply
    1,357,711.61x = 1,873,433.95 × 784,641.20
  4. Step 4: Simplify right side
    1,357,711.61x = 1,469,973,451,319.97
  5. Step 5: Solve for x
    x = 1,469,973,451,319.97/1,357,711.61
  6. Step 6: Final answer
    x = 1,082,684.60

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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.