Home / 1,115,649.15-1,672,492.23-442,203.17

Finding the Fourth Proportional to 1,115,649.15, 1,672,492.23 and 442,203.17

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Solution

The fourth proportional to 1,115,649.15, 1,672,492.23 and 442,203.17 is: 662,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,649.15 : 1,672,492.23 = 442,203.17 : x
  2. Step 2: Convert to fraction form
    1,115,649.15/1,672,492.23 = 442,203.17/x
  3. Step 3: Cross multiply
    1,115,649.15x = 1,672,492.23 × 442,203.17
  4. Step 4: Simplify right side
    1,115,649.15x = 739,581,357,543.91
  5. Step 5: Solve for x
    x = 739,581,357,543.91/1,115,649.15
  6. Step 6: Final answer
    x = 662,915.72

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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.