Home / 1,887,251.40-2,604,480.66-1,071,530.98

Finding the Fourth Proportional to 1,887,251.40, 2,604,480.66 and 1,071,530.98

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Solution

The fourth proportional to 1,887,251.40, 2,604,480.66 and 1,071,530.98 is: 1,478,754.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,251.40 : 2,604,480.66 = 1,071,530.98 : x
  2. Step 2: Convert to fraction form
    1,887,251.40/2,604,480.66 = 1,071,530.98/x
  3. Step 3: Cross multiply
    1,887,251.40x = 2,604,480.66 × 1,071,530.98
  4. Step 4: Simplify right side
    1,887,251.40x = 2,790,781,714,000.85
  5. Step 5: Solve for x
    x = 2,790,781,714,000.85/1,887,251.40
  6. Step 6: Final answer
    x = 1,478,754.61

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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.