Home / 1,333,587.12-1,840,346.72-721,741.04

Finding the Fourth Proportional to 1,333,587.12, 1,840,346.72 and 721,741.04

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Solution

The fourth proportional to 1,333,587.12, 1,840,346.72 and 721,741.04 is: 996,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,587.12 : 1,840,346.72 = 721,741.04 : x
  2. Step 2: Convert to fraction form
    1,333,587.12/1,840,346.72 = 721,741.04/x
  3. Step 3: Cross multiply
    1,333,587.12x = 1,840,346.72 × 721,741.04
  4. Step 4: Simplify right side
    1,333,587.12x = 1,328,253,755,653.39
  5. Step 5: Solve for x
    x = 1,328,253,755,653.39/1,333,587.12
  6. Step 6: Final answer
    x = 996,000.74

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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.