Home / 1,028,559.20-1,543,085.10-429,186.92

Finding the Fourth Proportional to 1,028,559.20, 1,543,085.10 and 429,186.92

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Solution

The fourth proportional to 1,028,559.20, 1,543,085.10 and 429,186.92 is: 643,883.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,559.20 : 1,543,085.10 = 429,186.92 : x
  2. Step 2: Convert to fraction form
    1,028,559.20/1,543,085.10 = 429,186.92/x
  3. Step 3: Cross multiply
    1,028,559.20x = 1,543,085.10 × 429,186.92
  4. Step 4: Simplify right side
    1,028,559.20x = 662,271,933,651.47
  5. Step 5: Solve for x
    x = 662,271,933,651.47/1,028,559.20
  6. Step 6: Final answer
    x = 643,883.15

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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.