Home / 1,097,691.40-1,646,537.10-648,627.40

Finding the Fourth Proportional to 1,097,691.40, 1,646,537.10 and 648,627.40

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Solution

The fourth proportional to 1,097,691.40, 1,646,537.10 and 648,627.40 is: 972,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,691.40 : 1,646,537.10 = 648,627.40 : x
  2. Step 2: Convert to fraction form
    1,097,691.40/1,646,537.10 = 648,627.40/x
  3. Step 3: Cross multiply
    1,097,691.40x = 1,646,537.10 × 648,627.40
  4. Step 4: Simplify right side
    1,097,691.40x = 1,067,989,078,176.54
  5. Step 5: Solve for x
    x = 1,067,989,078,176.54/1,097,691.40
  6. Step 6: Final answer
    x = 972,941.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.