Home / 1,028,947.45-1,543,585.20-429,600.10

Finding the Fourth Proportional to 1,028,947.45, 1,543,585.20 and 429,600.10

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Solution

The fourth proportional to 1,028,947.45, 1,543,585.20 and 429,600.10 is: 644,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,947.45 : 1,543,585.20 = 429,600.10 : x
  2. Step 2: Convert to fraction form
    1,028,947.45/1,543,585.20 = 429,600.10/x
  3. Step 3: Cross multiply
    1,028,947.45x = 1,543,585.20 × 429,600.10
  4. Step 4: Simplify right side
    1,028,947.45x = 663,124,356,278.52
  5. Step 5: Solve for x
    x = 663,124,356,278.52/1,028,947.45
  6. Step 6: Final answer
    x = 644,468.63

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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.