Home / 1,187,446.80-1,778,545.80-477,109.20

Finding the Fourth Proportional to 1,187,446.80, 1,778,545.80 and 477,109.20

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Solution

The fourth proportional to 1,187,446.80, 1,778,545.80 and 477,109.20 is: 714,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,446.80 : 1,778,545.80 = 477,109.20 : x
  2. Step 2: Convert to fraction form
    1,187,446.80/1,778,545.80 = 477,109.20/x
  3. Step 3: Cross multiply
    1,187,446.80x = 1,778,545.80 × 477,109.20
  4. Step 4: Simplify right side
    1,187,446.80x = 848,560,563,801.36
  5. Step 5: Solve for x
    x = 848,560,563,801.36/1,187,446.80
  6. Step 6: Final answer
    x = 714,609.33

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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.