Home / 1,294,557.40-1,941,524.70-663,146.20

Finding the Fourth Proportional to 1,294,557.40, 1,941,524.70 and 663,146.20

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Solution

The fourth proportional to 1,294,557.40, 1,941,524.70 and 663,146.20 is: 994,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,557.40 : 1,941,524.70 = 663,146.20 : x
  2. Step 2: Convert to fraction form
    1,294,557.40/1,941,524.70 = 663,146.20/x
  3. Step 3: Cross multiply
    1,294,557.40x = 1,941,524.70 × 663,146.20
  4. Step 4: Simplify right side
    1,294,557.40x = 1,287,514,727,011.14
  5. Step 5: Solve for x
    x = 1,287,514,727,011.14/1,294,557.40
  6. Step 6: Final answer
    x = 994,559.78

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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.