Home / 1,438,538.40-2,157,565.68-527,532.48

Finding the Fourth Proportional to 1,438,538.40, 2,157,565.68 and 527,532.48

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Solution

The fourth proportional to 1,438,538.40, 2,157,565.68 and 527,532.48 is: 791,210.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,538.40 : 2,157,565.68 = 527,532.48 : x
  2. Step 2: Convert to fraction form
    1,438,538.40/2,157,565.68 = 527,532.48/x
  3. Step 3: Cross multiply
    1,438,538.40x = 2,157,565.68 × 527,532.48
  4. Step 4: Simplify right side
    1,438,538.40x = 1,138,185,973,933.29
  5. Step 5: Solve for x
    x = 1,138,185,973,933.29/1,438,538.40
  6. Step 6: Final answer
    x = 791,210.00

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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.