Home / 918,204.30-1,377,306.45-815,852.70

Finding the Fourth Proportional to 918,204.30, 1,377,306.45 and 815,852.70

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Solution

The fourth proportional to 918,204.30, 1,377,306.45 and 815,852.70 is: 1,223,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,204.30 : 1,377,306.45 = 815,852.70 : x
  2. Step 2: Convert to fraction form
    918,204.30/1,377,306.45 = 815,852.70/x
  3. Step 3: Cross multiply
    918,204.30x = 1,377,306.45 × 815,852.70
  4. Step 4: Simplify right side
    918,204.30x = 1,123,679,185,959.91
  5. Step 5: Solve for x
    x = 1,123,679,185,959.91/918,204.30
  6. Step 6: Final answer
    x = 1,223,779.05

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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.