Home / 892,057.40-1,338,086.10-724,095.80

Finding the Fourth Proportional to 892,057.40, 1,338,086.10 and 724,095.80

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Solution

The fourth proportional to 892,057.40, 1,338,086.10 and 724,095.80 is: 1,086,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,057.40 : 1,338,086.10 = 724,095.80 : x
  2. Step 2: Convert to fraction form
    892,057.40/1,338,086.10 = 724,095.80/x
  3. Step 3: Cross multiply
    892,057.40x = 1,338,086.10 × 724,095.80
  4. Step 4: Simplify right side
    892,057.40x = 968,902,525,048.38
  5. Step 5: Solve for x
    x = 968,902,525,048.38/892,057.40
  6. Step 6: Final answer
    x = 1,086,143.70

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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.