Home / 1,398,058.20-2,098,664.10-925,666.20

Finding the Fourth Proportional to 1,398,058.20, 2,098,664.10 and 925,666.20

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Solution

The fourth proportional to 1,398,058.20, 2,098,664.10 and 925,666.20 is: 1,389,543.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,058.20 : 2,098,664.10 = 925,666.20 : x
  2. Step 2: Convert to fraction form
    1,398,058.20/2,098,664.10 = 925,666.20/x
  3. Step 3: Cross multiply
    1,398,058.20x = 2,098,664.10 × 925,666.20
  4. Step 4: Simplify right side
    1,398,058.20x = 1,942,662,422,523.42
  5. Step 5: Solve for x
    x = 1,942,662,422,523.42/1,398,058.20
  6. Step 6: Final answer
    x = 1,389,543.31

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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.