Home / 1,228,304.77-1,695,186.72-738,432.88

Finding the Fourth Proportional to 1,228,304.77, 1,695,186.72 and 738,432.88

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Solution

The fourth proportional to 1,228,304.77, 1,695,186.72 and 738,432.88 is: 1,019,113.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,304.77 : 1,695,186.72 = 738,432.88 : x
  2. Step 2: Convert to fraction form
    1,228,304.77/1,695,186.72 = 738,432.88/x
  3. Step 3: Cross multiply
    1,228,304.77x = 1,695,186.72 × 738,432.88
  4. Step 4: Simplify right side
    1,228,304.77x = 1,251,781,611,787.35
  5. Step 5: Solve for x
    x = 1,251,781,611,787.35/1,228,304.77
  6. Step 6: Final answer
    x = 1,019,113.21

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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.