Home / 1,279,280.10-1,765,394.60-706,324.34

Finding the Fourth Proportional to 1,279,280.10, 1,765,394.60 and 706,324.34

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Solution

The fourth proportional to 1,279,280.10, 1,765,394.60 and 706,324.34 is: 974,721.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,280.10 : 1,765,394.60 = 706,324.34 : x
  2. Step 2: Convert to fraction form
    1,279,280.10/1,765,394.60 = 706,324.34/x
  3. Step 3: Cross multiply
    1,279,280.10x = 1,765,394.60 × 706,324.34
  4. Step 4: Simplify right side
    1,279,280.10x = 1,246,941,175,684.56
  5. Step 5: Solve for x
    x = 1,246,941,175,684.56/1,279,280.10
  6. Step 6: Final answer
    x = 974,721.00

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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.