Home / 1,153,032.72-1,729,587.96-311,591.76

Finding the Fourth Proportional to 1,153,032.72, 1,729,587.96 and 311,591.76

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Solution

The fourth proportional to 1,153,032.72, 1,729,587.96 and 311,591.76 is: 467,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,032.72 : 1,729,587.96 = 311,591.76 : x
  2. Step 2: Convert to fraction form
    1,153,032.72/1,729,587.96 = 311,591.76/x
  3. Step 3: Cross multiply
    1,153,032.72x = 1,729,587.96 × 311,591.76
  4. Step 4: Simplify right side
    1,153,032.72x = 538,925,356,531.21
  5. Step 5: Solve for x
    x = 538,925,356,531.21/1,153,032.72
  6. Step 6: Final answer
    x = 467,398.15

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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.