Home / 1,099,412.87-1,517,233.28-615,981.98

Finding the Fourth Proportional to 1,099,412.87, 1,517,233.28 and 615,981.98

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Solution

The fourth proportional to 1,099,412.87, 1,517,233.28 and 615,981.98 is: 850,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,412.87 : 1,517,233.28 = 615,981.98 : x
  2. Step 2: Convert to fraction form
    1,099,412.87/1,517,233.28 = 615,981.98/x
  3. Step 3: Cross multiply
    1,099,412.87x = 1,517,233.28 × 615,981.98
  4. Step 4: Simplify right side
    1,099,412.87x = 934,588,360,649.47
  5. Step 5: Solve for x
    x = 934,588,360,649.47/1,099,412.87
  6. Step 6: Final answer
    x = 850,079.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.