Home / 1,067,742.40-1,602,520.80-437,108.80

Finding the Fourth Proportional to 1,067,742.40, 1,602,520.80 and 437,108.80

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Solution

The fourth proportional to 1,067,742.40, 1,602,520.80 and 437,108.80 is: 656,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,742.40 : 1,602,520.80 = 437,108.80 : x
  2. Step 2: Convert to fraction form
    1,067,742.40/1,602,520.80 = 437,108.80/x
  3. Step 3: Cross multiply
    1,067,742.40x = 1,602,520.80 × 437,108.80
  4. Step 4: Simplify right side
    1,067,742.40x = 700,475,943,863.04
  5. Step 5: Solve for x
    x = 700,475,943,863.04/1,067,742.40
  6. Step 6: Final answer
    x = 656,034.59

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1.5x scale

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.