Home / 1,167,275.88-1,610,865.36-657,978.12

Finding the Fourth Proportional to 1,167,275.88, 1,610,865.36 and 657,978.12

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Solution

The fourth proportional to 1,167,275.88, 1,610,865.36 and 657,978.12 is: 908,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,275.88 : 1,610,865.36 = 657,978.12 : x
  2. Step 2: Convert to fraction form
    1,167,275.88/1,610,865.36 = 657,978.12/x
  3. Step 3: Cross multiply
    1,167,275.88x = 1,610,865.36 × 657,978.12
  4. Step 4: Simplify right side
    1,167,275.88x = 1,059,914,161,145.92
  5. Step 5: Solve for x
    x = 1,059,914,161,145.92/1,167,275.88
  6. Step 6: Final answer
    x = 908,023.70

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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.