Home / 695,260.80-1,044,446.40-666,921.60

Finding the Fourth Proportional to 695,260.80, 1,044,446.40 and 666,921.60

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Solution

The fourth proportional to 695,260.80, 1,044,446.40 and 666,921.60 is: 1,001,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,260.80 : 1,044,446.40 = 666,921.60 : x
  2. Step 2: Convert to fraction form
    695,260.80/1,044,446.40 = 666,921.60/x
  3. Step 3: Cross multiply
    695,260.80x = 1,044,446.40 × 666,921.60
  4. Step 4: Simplify right side
    695,260.80x = 696,563,864,202.24
  5. Step 5: Solve for x
    x = 696,563,864,202.24/695,260.80
  6. Step 6: Final answer
    x = 1,001,874.21

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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.