Home / 1,142,248.03-1,711,569.56-421,597.85

Finding the Fourth Proportional to 1,142,248.03, 1,711,569.56 and 421,597.85

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Solution

The fourth proportional to 1,142,248.03, 1,711,569.56 and 421,597.85 is: 631,731.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,248.03 : 1,711,569.56 = 421,597.85 : x
  2. Step 2: Convert to fraction form
    1,142,248.03/1,711,569.56 = 421,597.85/x
  3. Step 3: Cross multiply
    1,142,248.03x = 1,711,569.56 × 421,597.85
  4. Step 4: Simplify right side
    1,142,248.03x = 721,594,035,955.61
  5. Step 5: Solve for x
    x = 721,594,035,955.61/1,142,248.03
  6. Step 6: Final answer
    x = 631,731.48

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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.