Home / 1,169,314.40-1,753,453.20-538,421.60

Finding the Fourth Proportional to 1,169,314.40, 1,753,453.20 and 538,421.60

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Solution

The fourth proportional to 1,169,314.40, 1,753,453.20 and 538,421.60 is: 807,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,314.40 : 1,753,453.20 = 538,421.60 : x
  2. Step 2: Convert to fraction form
    1,169,314.40/1,753,453.20 = 538,421.60/x
  3. Step 3: Cross multiply
    1,169,314.40x = 1,753,453.20 × 538,421.60
  4. Step 4: Simplify right side
    1,169,314.40x = 944,097,077,469.12
  5. Step 5: Solve for x
    x = 944,097,077,469.12/1,169,314.40
  6. Step 6: Final answer
    x = 807,393.70

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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.