Home / 1,117,230.46-1,673,731.28-660,454.15

Finding the Fourth Proportional to 1,117,230.46, 1,673,731.28 and 660,454.15

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Solution

The fourth proportional to 1,117,230.46, 1,673,731.28 and 660,454.15 is: 989,431.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,230.46 : 1,673,731.28 = 660,454.15 : x
  2. Step 2: Convert to fraction form
    1,117,230.46/1,673,731.28 = 660,454.15/x
  3. Step 3: Cross multiply
    1,117,230.46x = 1,673,731.28 × 660,454.15
  4. Step 4: Simplify right side
    1,117,230.46x = 1,105,422,767,327.62
  5. Step 5: Solve for x
    x = 1,105,422,767,327.62/1,117,230.46
  6. Step 6: Final answer
    x = 989,431.29

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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.