Home / 1,120,557.28-1,546,323.36-661,820.32

Finding the Fourth Proportional to 1,120,557.28, 1,546,323.36 and 661,820.32

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Solution

The fourth proportional to 1,120,557.28, 1,546,323.36 and 661,820.32 is: 913,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,557.28 : 1,546,323.36 = 661,820.32 : x
  2. Step 2: Convert to fraction form
    1,120,557.28/1,546,323.36 = 661,820.32/x
  3. Step 3: Cross multiply
    1,120,557.28x = 1,546,323.36 × 661,820.32
  4. Step 4: Simplify right side
    1,120,557.28x = 1,023,388,220,938.68
  5. Step 5: Solve for x
    x = 1,023,388,220,938.68/1,120,557.28
  6. Step 6: Final answer
    x = 913,285.06

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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.