Home / 1,185,842.12-1,639,220.12-1,058,047.20

Finding the Fourth Proportional to 1,185,842.12, 1,639,220.12 and 1,058,047.20

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Solution

The fourth proportional to 1,185,842.12, 1,639,220.12 and 1,058,047.20 is: 1,462,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,842.12 : 1,639,220.12 = 1,058,047.20 : x
  2. Step 2: Convert to fraction form
    1,185,842.12/1,639,220.12 = 1,058,047.20/x
  3. Step 3: Cross multiply
    1,185,842.12x = 1,639,220.12 × 1,058,047.20
  4. Step 4: Simplify right side
    1,185,842.12x = 1,734,372,258,149.66
  5. Step 5: Solve for x
    x = 1,734,372,258,149.66/1,185,842.12
  6. Step 6: Final answer
    x = 1,462,565.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.