Home / 1,058,095.85-1,577,055.12-998,318.57

Finding the Fourth Proportional to 1,058,095.85, 1,577,055.12 and 998,318.57

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Solution

The fourth proportional to 1,058,095.85, 1,577,055.12 and 998,318.57 is: 1,487,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,095.85 : 1,577,055.12 = 998,318.57 : x
  2. Step 2: Convert to fraction form
    1,058,095.85/1,577,055.12 = 998,318.57/x
  3. Step 3: Cross multiply
    1,058,095.85x = 1,577,055.12 × 998,318.57
  4. Step 4: Simplify right side
    1,058,095.85x = 1,574,403,400,580.61
  5. Step 5: Solve for x
    x = 1,574,403,400,580.61/1,058,095.85
  6. Step 6: Final answer
    x = 1,487,959.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.