Home / 1,000,876.43-1,381,308.28-571,220.84

Finding the Fourth Proportional to 1,000,876.43, 1,381,308.28 and 571,220.84

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Solution

The fourth proportional to 1,000,876.43, 1,381,308.28 and 571,220.84 is: 788,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,876.43 : 1,381,308.28 = 571,220.84 : x
  2. Step 2: Convert to fraction form
    1,000,876.43/1,381,308.28 = 571,220.84/x
  3. Step 3: Cross multiply
    1,000,876.43x = 1,381,308.28 × 571,220.84
  4. Step 4: Simplify right side
    1,000,876.43x = 789,032,078,025.77
  5. Step 5: Solve for x
    x = 789,032,078,025.77/1,000,876.43
  6. Step 6: Final answer
    x = 788,341.15

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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.