Home / 1,458,034.20-2,187,707.40-658,904.40

Finding the Fourth Proportional to 1,458,034.20, 2,187,707.40 and 658,904.40

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Solution

The fourth proportional to 1,458,034.20, 2,187,707.40 and 658,904.40 is: 988,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,034.20 : 2,187,707.40 = 658,904.40 : x
  2. Step 2: Convert to fraction form
    1,458,034.20/2,187,707.40 = 658,904.40/x
  3. Step 3: Cross multiply
    1,458,034.20x = 2,187,707.40 × 658,904.40
  4. Step 4: Simplify right side
    1,458,034.20x = 1,441,490,031,772.56
  5. Step 5: Solve for x
    x = 1,441,490,031,772.56/1,458,034.20
  6. Step 6: Final answer
    x = 988,653.10

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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.