Home / 1,218,058.18-1,680,877.38-674,195.02

Finding the Fourth Proportional to 1,218,058.18, 1,680,877.38 and 674,195.02

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Solution

The fourth proportional to 1,218,058.18, 1,680,877.38 and 674,195.02 is: 930,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,058.18 : 1,680,877.38 = 674,195.02 : x
  2. Step 2: Convert to fraction form
    1,218,058.18/1,680,877.38 = 674,195.02/x
  3. Step 3: Cross multiply
    1,218,058.18x = 1,680,877.38 × 674,195.02
  4. Step 4: Simplify right side
    1,218,058.18x = 1,133,239,158,826.65
  5. Step 5: Solve for x
    x = 1,133,239,158,826.65/1,218,058.18
  6. Step 6: Final answer
    x = 930,365.38

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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.