Home / 1,011,523.74-1,517,511.60-380,443.02

Finding the Fourth Proportional to 1,011,523.74, 1,517,511.60 and 380,443.02

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Solution

The fourth proportional to 1,011,523.74, 1,517,511.60 and 380,443.02 is: 570,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,523.74 : 1,517,511.60 = 380,443.02 : x
  2. Step 2: Convert to fraction form
    1,011,523.74/1,517,511.60 = 380,443.02/x
  3. Step 3: Cross multiply
    1,011,523.74x = 1,517,511.60 × 380,443.02
  4. Step 4: Simplify right side
    1,011,523.74x = 577,326,695,989.03
  5. Step 5: Solve for x
    x = 577,326,695,989.03/1,011,523.74
  6. Step 6: Final answer
    x = 570,749.53

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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.