Home / 1,203,307.52-1,660,610.40-687,145.52

Finding the Fourth Proportional to 1,203,307.52, 1,660,610.40 and 687,145.52

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Solution

The fourth proportional to 1,203,307.52, 1,660,610.40 and 687,145.52 is: 948,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,307.52 : 1,660,610.40 = 687,145.52 : x
  2. Step 2: Convert to fraction form
    1,203,307.52/1,660,610.40 = 687,145.52/x
  3. Step 3: Cross multiply
    1,203,307.52x = 1,660,610.40 × 687,145.52
  4. Step 4: Simplify right side
    1,203,307.52x = 1,141,080,996,825.41
  5. Step 5: Solve for x
    x = 1,141,080,996,825.41/1,203,307.52
  6. Step 6: Final answer
    x = 948,287.10

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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.