Home / 1,458,001.70-2,187,002.55-660,840.20

Finding the Fourth Proportional to 1,458,001.70, 2,187,002.55 and 660,840.20

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Solution

The fourth proportional to 1,458,001.70, 2,187,002.55 and 660,840.20 is: 991,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,001.70 : 2,187,002.55 = 660,840.20 : x
  2. Step 2: Convert to fraction form
    1,458,001.70/2,187,002.55 = 660,840.20/x
  3. Step 3: Cross multiply
    1,458,001.70x = 2,187,002.55 × 660,840.20
  4. Step 4: Simplify right side
    1,458,001.70x = 1,445,259,202,542.51
  5. Step 5: Solve for x
    x = 1,445,259,202,542.51/1,458,001.70
  6. Step 6: Final answer
    x = 991,260.30

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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.