Home / 1,530,768.70-2,112,753.27-1,013,610.43

Finding the Fourth Proportional to 1,530,768.70, 2,112,753.27 and 1,013,610.43

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Solution

The fourth proportional to 1,530,768.70, 2,112,753.27 and 1,013,610.43 is: 1,398,976.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,768.70 : 2,112,753.27 = 1,013,610.43 : x
  2. Step 2: Convert to fraction form
    1,530,768.70/2,112,753.27 = 1,013,610.43/x
  3. Step 3: Cross multiply
    1,530,768.70x = 2,112,753.27 × 1,013,610.43
  4. Step 4: Simplify right side
    1,530,768.70x = 2,141,508,750,488.61
  5. Step 5: Solve for x
    x = 2,141,508,750,488.61/1,530,768.70
  6. Step 6: Final answer
    x = 1,398,976.05

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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.