Home / 1,250,695.22-1,866,889.91-1,074,335.54

Finding the Fourth Proportional to 1,250,695.22, 1,866,889.91 and 1,074,335.54

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Solution

The fourth proportional to 1,250,695.22, 1,866,889.91 and 1,074,335.54 is: 1,603,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,695.22 : 1,866,889.91 = 1,074,335.54 : x
  2. Step 2: Convert to fraction form
    1,250,695.22/1,866,889.91 = 1,074,335.54/x
  3. Step 3: Cross multiply
    1,250,695.22x = 1,866,889.91 × 1,074,335.54
  4. Step 4: Simplify right side
    1,250,695.22x = 2,005,666,172,931.79
  5. Step 5: Solve for x
    x = 2,005,666,172,931.79/1,250,695.22
  6. Step 6: Final answer
    x = 1,603,641.04

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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.