Home / 1,107,236.27-1,518,020.85-1,087,058.16

Finding the Fourth Proportional to 1,107,236.27, 1,518,020.85 and 1,087,058.16

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Solution

The fourth proportional to 1,107,236.27, 1,518,020.85 and 1,087,058.16 is: 1,490,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,236.27 : 1,518,020.85 = 1,087,058.16 : x
  2. Step 2: Convert to fraction form
    1,107,236.27/1,518,020.85 = 1,087,058.16/x
  3. Step 3: Cross multiply
    1,107,236.27x = 1,518,020.85 × 1,087,058.16
  4. Step 4: Simplify right side
    1,107,236.27x = 1,650,176,952,042.64
  5. Step 5: Solve for x
    x = 1,650,176,952,042.64/1,107,236.27
  6. Step 6: Final answer
    x = 1,490,356.66

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.