Home / 1,438,248.51-2,156,812.04-539,200.15

Finding the Fourth Proportional to 1,438,248.51, 2,156,812.04 and 539,200.15

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Solution

The fourth proportional to 1,438,248.51, 2,156,812.04 and 539,200.15 is: 808,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,248.51 : 2,156,812.04 = 539,200.15 : x
  2. Step 2: Convert to fraction form
    1,438,248.51/2,156,812.04 = 539,200.15/x
  3. Step 3: Cross multiply
    1,438,248.51x = 2,156,812.04 × 539,200.15
  4. Step 4: Simplify right side
    1,438,248.51x = 1,162,953,371,445.78
  5. Step 5: Solve for x
    x = 1,162,953,371,445.78/1,438,248.51
  6. Step 6: Final answer
    x = 808,590.01

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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.