Home / 1,604,387.28-2,215,060.92-1,032,421.44

Finding the Fourth Proportional to 1,604,387.28, 2,215,060.92 and 1,032,421.44

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Solution

The fourth proportional to 1,604,387.28, 2,215,060.92 and 1,032,421.44 is: 1,425,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,387.28 : 2,215,060.92 = 1,032,421.44 : x
  2. Step 2: Convert to fraction form
    1,604,387.28/2,215,060.92 = 1,032,421.44/x
  3. Step 3: Cross multiply
    1,604,387.28x = 2,215,060.92 × 1,032,421.44
  4. Step 4: Simplify right side
    1,604,387.28x = 2,286,876,384,714.12
  5. Step 5: Solve for x
    x = 2,286,876,384,714.12/1,604,387.28
  6. Step 6: Final answer
    x = 1,425,389.25

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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.