Home / 1,781,829.61-2,672,604.96-502,385.40

Finding the Fourth Proportional to 1,781,829.61, 2,672,604.96 and 502,385.40

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Solution

The fourth proportional to 1,781,829.61, 2,672,604.96 and 502,385.40 is: 753,538.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,829.61 : 2,672,604.96 = 502,385.40 : x
  2. Step 2: Convert to fraction form
    1,781,829.61/2,672,604.96 = 502,385.40/x
  3. Step 3: Cross multiply
    1,781,829.61x = 2,672,604.96 × 502,385.40
  4. Step 4: Simplify right side
    1,781,829.61x = 1,342,677,709,987.64
  5. Step 5: Solve for x
    x = 1,342,677,709,987.64/1,781,829.61
  6. Step 6: Final answer
    x = 753,538.78

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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.