Home / 1,170,531.20-1,615,464.15-661,266.38

Finding the Fourth Proportional to 1,170,531.20, 1,615,464.15 and 661,266.38

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Solution

The fourth proportional to 1,170,531.20, 1,615,464.15 and 661,266.38 is: 912,621.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,531.20 : 1,615,464.15 = 661,266.38 : x
  2. Step 2: Convert to fraction form
    1,170,531.20/1,615,464.15 = 661,266.38/x
  3. Step 3: Cross multiply
    1,170,531.20x = 1,615,464.15 × 661,266.38
  4. Step 4: Simplify right side
    1,170,531.20x = 1,068,252,130,490.28
  5. Step 5: Solve for x
    x = 1,068,252,130,490.28/1,170,531.20
  6. Step 6: Final answer
    x = 912,621.66

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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.