Home / 1,438,508.40-2,157,520.65-527,502.48

Finding the Fourth Proportional to 1,438,508.40, 2,157,520.65 and 527,502.48

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Solution

The fourth proportional to 1,438,508.40, 2,157,520.65 and 527,502.48 is: 791,165.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,508.40 : 2,157,520.65 = 527,502.48 : x
  2. Step 2: Convert to fraction form
    1,438,508.40/2,157,520.65 = 527,502.48/x
  3. Step 3: Cross multiply
    1,438,508.40x = 2,157,520.65 × 527,502.48
  4. Step 4: Simplify right side
    1,438,508.40x = 1,138,097,493,526.21
  5. Step 5: Solve for x
    x = 1,138,097,493,526.21/1,438,508.40
  6. Step 6: Final answer
    x = 791,165.00

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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.