Home / 1,016,145.87-1,524,221.45-342,700.22

Finding the Fourth Proportional to 1,016,145.87, 1,524,221.45 and 342,700.22

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Solution

The fourth proportional to 1,016,145.87, 1,524,221.45 and 342,700.22 is: 514,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,145.87 : 1,524,221.45 = 342,700.22 : x
  2. Step 2: Convert to fraction form
    1,016,145.87/1,524,221.45 = 342,700.22/x
  3. Step 3: Cross multiply
    1,016,145.87x = 1,524,221.45 × 342,700.22
  4. Step 4: Simplify right side
    1,016,145.87x = 522,351,030,697.62
  5. Step 5: Solve for x
    x = 522,351,030,697.62/1,016,145.87
  6. Step 6: Final answer
    x = 514,051.23

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Double scale
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Similar ratio
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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.