Home / 1,458,507.15-2,187,760.61-393,549.18

Finding the Fourth Proportional to 1,458,507.15, 2,187,760.61 and 393,549.18

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Solution

The fourth proportional to 1,458,507.15, 2,187,760.61 and 393,549.18 is: 590,323.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,507.15 : 2,187,760.61 = 393,549.18 : x
  2. Step 2: Convert to fraction form
    1,458,507.15/2,187,760.61 = 393,549.18/x
  3. Step 3: Cross multiply
    1,458,507.15x = 2,187,760.61 × 393,549.18
  4. Step 4: Simplify right side
    1,458,507.15x = 860,991,392,134.05
  5. Step 5: Solve for x
    x = 860,991,392,134.05/1,458,507.15
  6. Step 6: Final answer
    x = 590,323.74

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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.