Home / 1,028,591.46-1,543,133.52-429,219.20

Finding the Fourth Proportional to 1,028,591.46, 1,543,133.52 and 429,219.20

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Solution

The fourth proportional to 1,028,591.46, 1,543,133.52 and 429,219.20 is: 643,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,591.46 : 1,543,133.52 = 429,219.20 : x
  2. Step 2: Convert to fraction form
    1,028,591.46/1,543,133.52 = 429,219.20/x
  3. Step 3: Cross multiply
    1,028,591.46x = 1,543,133.52 × 429,219.20
  4. Step 4: Simplify right side
    1,028,591.46x = 662,342,527,231.92
  5. Step 5: Solve for x
    x = 662,342,527,231.92/1,028,591.46
  6. Step 6: Final answer
    x = 643,931.59

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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.