Home / 1,134,387.32-1,565,487.30-625,122.50

Finding the Fourth Proportional to 1,134,387.32, 1,565,487.30 and 625,122.50

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Solution

The fourth proportional to 1,134,387.32, 1,565,487.30 and 625,122.50 is: 862,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,387.32 : 1,565,487.30 = 625,122.50 : x
  2. Step 2: Convert to fraction form
    1,134,387.32/1,565,487.30 = 625,122.50/x
  3. Step 3: Cross multiply
    1,134,387.32x = 1,565,487.30 × 625,122.50
  4. Step 4: Simplify right side
    1,134,387.32x = 978,621,334,694.25
  5. Step 5: Solve for x
    x = 978,621,334,694.25/1,134,387.32
  6. Step 6: Final answer
    x = 862,687.12

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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.