Home / 1,435,666.10-1,981,307.65-791,086.18

Finding the Fourth Proportional to 1,435,666.10, 1,981,307.65 and 791,086.18

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Solution

The fourth proportional to 1,435,666.10, 1,981,307.65 and 791,086.18 is: 1,091,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,666.10 : 1,981,307.65 = 791,086.18 : x
  2. Step 2: Convert to fraction form
    1,435,666.10/1,981,307.65 = 791,086.18/x
  3. Step 3: Cross multiply
    1,435,666.10x = 1,981,307.65 × 791,086.18
  4. Step 4: Simplify right side
    1,435,666.10x = 1,567,385,100,243.28
  5. Step 5: Solve for x
    x = 1,567,385,100,243.28/1,435,666.10
  6. Step 6: Final answer
    x = 1,091,747.66

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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.