Home / 1,512,938.74-2,087,842.17-824,610.64

Finding the Fourth Proportional to 1,512,938.74, 2,087,842.17 and 824,610.64

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Solution

The fourth proportional to 1,512,938.74, 2,087,842.17 and 824,610.64 is: 1,137,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,938.74 : 2,087,842.17 = 824,610.64 : x
  2. Step 2: Convert to fraction form
    1,512,938.74/2,087,842.17 = 824,610.64/x
  3. Step 3: Cross multiply
    1,512,938.74x = 2,087,842.17 × 824,610.64
  4. Step 4: Simplify right side
    1,512,938.74x = 1,721,656,860,442.46
  5. Step 5: Solve for x
    x = 1,721,656,860,442.46/1,512,938.74
  6. Step 6: Final answer
    x = 1,137,955.43

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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.