Home / 1,211,862.40-1,817,793.60-501,654.40

Finding the Fourth Proportional to 1,211,862.40, 1,817,793.60 and 501,654.40

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Solution

The fourth proportional to 1,211,862.40, 1,817,793.60 and 501,654.40 is: 752,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,862.40 : 1,817,793.60 = 501,654.40 : x
  2. Step 2: Convert to fraction form
    1,211,862.40/1,817,793.60 = 501,654.40/x
  3. Step 3: Cross multiply
    1,211,862.40x = 1,817,793.60 × 501,654.40
  4. Step 4: Simplify right side
    1,211,862.40x = 911,904,157,731.84
  5. Step 5: Solve for x
    x = 911,904,157,731.84/1,211,862.40
  6. Step 6: Final answer
    x = 752,481.60

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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.