Home / 1,170,649.46-1,615,463.24-687,206.90

Finding the Fourth Proportional to 1,170,649.46, 1,615,463.24 and 687,206.90

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Solution

The fourth proportional to 1,170,649.46, 1,615,463.24 and 687,206.90 is: 948,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,649.46 : 1,615,463.24 = 687,206.90 : x
  2. Step 2: Convert to fraction form
    1,170,649.46/1,615,463.24 = 687,206.90/x
  3. Step 3: Cross multiply
    1,170,649.46x = 1,615,463.24 × 687,206.90
  4. Step 4: Simplify right side
    1,170,649.46x = 1,110,157,485,224.36
  5. Step 5: Solve for x
    x = 1,110,157,485,224.36/1,170,649.46
  6. Step 6: Final answer
    x = 948,326.14

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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.