Home / 1,378,876.23-2,070,251.46-705,440.61

Finding the Fourth Proportional to 1,378,876.23, 2,070,251.46 and 705,440.61

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Solution

The fourth proportional to 1,378,876.23, 2,070,251.46 and 705,440.61 is: 1,059,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,876.23 : 2,070,251.46 = 705,440.61 : x
  2. Step 2: Convert to fraction form
    1,378,876.23/2,070,251.46 = 705,440.61/x
  3. Step 3: Cross multiply
    1,378,876.23x = 2,070,251.46 × 705,440.61
  4. Step 4: Simplify right side
    1,378,876.23x = 1,460,439,452,795.79
  5. Step 5: Solve for x
    x = 1,460,439,452,795.79/1,378,876.23
  6. Step 6: Final answer
    x = 1,059,151.95

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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.