Home / 1,026,538.38-1,538,475.90-457,109.22

Finding the Fourth Proportional to 1,026,538.38, 1,538,475.90 and 457,109.22

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Solution

The fourth proportional to 1,026,538.38, 1,538,475.90 and 457,109.22 is: 685,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,538.38 : 1,538,475.90 = 457,109.22 : x
  2. Step 2: Convert to fraction form
    1,026,538.38/1,538,475.90 = 457,109.22/x
  3. Step 3: Cross multiply
    1,026,538.38x = 1,538,475.90 × 457,109.22
  4. Step 4: Simplify right side
    1,026,538.38x = 703,251,518,637.80
  5. Step 5: Solve for x
    x = 703,251,518,637.80/1,026,538.38
  6. Step 6: Final answer
    x = 685,070.85

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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.