Home / 1,853,770.20-2,780,655.30-788,458.20

Finding the Fourth Proportional to 1,853,770.20, 2,780,655.30 and 788,458.20

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Solution

The fourth proportional to 1,853,770.20, 2,780,655.30 and 788,458.20 is: 1,182,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,770.20 : 2,780,655.30 = 788,458.20 : x
  2. Step 2: Convert to fraction form
    1,853,770.20/2,780,655.30 = 788,458.20/x
  3. Step 3: Cross multiply
    1,853,770.20x = 2,780,655.30 × 788,458.20
  4. Step 4: Simplify right side
    1,853,770.20x = 2,192,430,472,658.46
  5. Step 5: Solve for x
    x = 2,192,430,472,658.46/1,853,770.20
  6. Step 6: Final answer
    x = 1,182,687.30

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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.