Home / 1,352,947.68-1,867,081.52-816,300

Finding the Fourth Proportional to 1,352,947.68, 1,867,081.52 and 816,300

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Solution

The fourth proportional to 1,352,947.68, 1,867,081.52 and 816,300 is: 1,126,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,947.68 : 1,867,081.52 = 816,300 : x
  2. Step 2: Convert to fraction form
    1,352,947.68/1,867,081.52 = 816,300/x
  3. Step 3: Cross multiply
    1,352,947.68x = 1,867,081.52 × 816,300
  4. Step 4: Simplify right side
    1,352,947.68x = 1,524,098,644,776
  5. Step 5: Solve for x
    x = 1,524,098,644,776/1,352,947.68
  6. Step 6: Final answer
    x = 1,126,502.28

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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.