Home / 1,068,475.40-1,603,620.30-437,841.80

Finding the Fourth Proportional to 1,068,475.40, 1,603,620.30 and 437,841.80

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Solution

The fourth proportional to 1,068,475.40, 1,603,620.30 and 437,841.80 is: 657,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,475.40 : 1,603,620.30 = 437,841.80 : x
  2. Step 2: Convert to fraction form
    1,068,475.40/1,603,620.30 = 437,841.80/x
  3. Step 3: Cross multiply
    1,068,475.40x = 1,603,620.30 × 437,841.80
  4. Step 4: Simplify right side
    1,068,475.40x = 702,131,998,668.54
  5. Step 5: Solve for x
    x = 702,131,998,668.54/1,068,475.40
  6. Step 6: Final answer
    x = 657,134.45

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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.