Home / 1,000,815.18-1,381,223.55-571,159.98

Finding the Fourth Proportional to 1,000,815.18, 1,381,223.55 and 571,159.98

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Solution

The fourth proportional to 1,000,815.18, 1,381,223.55 and 571,159.98 is: 788,257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,815.18 : 1,381,223.55 = 571,159.98 : x
  2. Step 2: Convert to fraction form
    1,000,815.18/1,381,223.55 = 571,159.98/x
  3. Step 3: Cross multiply
    1,000,815.18x = 1,381,223.55 × 571,159.98
  4. Step 4: Simplify right side
    1,000,815.18x = 788,899,615,193.53
  5. Step 5: Solve for x
    x = 788,899,615,193.53/1,000,815.18
  6. Step 6: Final answer
    x = 788,257.04

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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.