Home / 1,011,402.52-1,517,162.16-380,321.80

Finding the Fourth Proportional to 1,011,402.52, 1,517,162.16 and 380,321.80

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Solution

The fourth proportional to 1,011,402.52, 1,517,162.16 and 380,321.80 is: 570,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,402.52 : 1,517,162.16 = 380,321.80 : x
  2. Step 2: Convert to fraction form
    1,011,402.52/1,517,162.16 = 380,321.80/x
  3. Step 3: Cross multiply
    1,011,402.52x = 1,517,162.16 × 380,321.80
  4. Step 4: Simplify right side
    1,011,402.52x = 577,009,843,583.09
  5. Step 5: Solve for x
    x = 577,009,843,583.09/1,011,402.52
  6. Step 6: Final answer
    x = 570,504.65

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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.