Home / 1,653,443.28-2,479,527.25-642,432.13

Finding the Fourth Proportional to 1,653,443.28, 2,479,527.25 and 642,432.13

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Solution

The fourth proportional to 1,653,443.28, 2,479,527.25 and 642,432.13 is: 963,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,443.28 : 2,479,527.25 = 642,432.13 : x
  2. Step 2: Convert to fraction form
    1,653,443.28/2,479,527.25 = 642,432.13/x
  3. Step 3: Cross multiply
    1,653,443.28x = 2,479,527.25 × 642,432.13
  4. Step 4: Simplify right side
    1,653,443.28x = 1,592,927,964,805.64
  5. Step 5: Solve for x
    x = 1,592,927,964,805.64/1,653,443.28
  6. Step 6: Final answer
    x = 963,400.43

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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.