Home / 1,305,632.50-1,801,677.05-724,889.23

Finding the Fourth Proportional to 1,305,632.50, 1,801,677.05 and 724,889.23

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Solution

The fourth proportional to 1,305,632.50, 1,801,677.05 and 724,889.23 is: 1,000,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,632.50 : 1,801,677.05 = 724,889.23 : x
  2. Step 2: Convert to fraction form
    1,305,632.50/1,801,677.05 = 724,889.23/x
  3. Step 3: Cross multiply
    1,305,632.50x = 1,801,677.05 × 724,889.23
  4. Step 4: Simplify right side
    1,305,632.50x = 1,306,016,289,483.17
  5. Step 5: Solve for x
    x = 1,306,016,289,483.17/1,305,632.50
  6. Step 6: Final answer
    x = 1,000,293.95

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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.