Home / 1,258,111.20-1,887,166.80-1,160,680.35

Finding the Fourth Proportional to 1,258,111.20, 1,887,166.80 and 1,160,680.35

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Solution

The fourth proportional to 1,258,111.20, 1,887,166.80 and 1,160,680.35 is: 1,741,020.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,111.20 : 1,887,166.80 = 1,160,680.35 : x
  2. Step 2: Convert to fraction form
    1,258,111.20/1,887,166.80 = 1,160,680.35/x
  3. Step 3: Cross multiply
    1,258,111.20x = 1,887,166.80 × 1,160,680.35
  4. Step 4: Simplify right side
    1,258,111.20x = 2,190,397,421,932.38
  5. Step 5: Solve for x
    x = 2,190,397,421,932.38/1,258,111.20
  6. Step 6: Final answer
    x = 1,741,020.53

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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.