Home / 1,333,426.10-1,840,113.99-721,565.46

Finding the Fourth Proportional to 1,333,426.10, 1,840,113.99 and 721,565.46

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Solution

The fourth proportional to 1,333,426.10, 1,840,113.99 and 721,565.46 is: 995,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,426.10 : 1,840,113.99 = 721,565.46 : x
  2. Step 2: Convert to fraction form
    1,333,426.10/1,840,113.99 = 721,565.46/x
  3. Step 3: Cross multiply
    1,333,426.10x = 1,840,113.99 × 721,565.46
  4. Step 4: Simplify right side
    1,333,426.10x = 1,327,762,697,646.79
  5. Step 5: Solve for x
    x = 1,327,762,697,646.79/1,333,426.10
  6. Step 6: Final answer
    x = 995,752.75

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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.