Home / 1,008,364.20-1,511,217.90-740,869.80

Finding the Fourth Proportional to 1,008,364.20, 1,511,217.90 and 740,869.80

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Solution

The fourth proportional to 1,008,364.20, 1,511,217.90 and 740,869.80 is: 1,110,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,364.20 : 1,511,217.90 = 740,869.80 : x
  2. Step 2: Convert to fraction form
    1,008,364.20/1,511,217.90 = 740,869.80/x
  3. Step 3: Cross multiply
    1,008,364.20x = 1,511,217.90 × 740,869.80
  4. Step 4: Simplify right side
    1,008,364.20x = 1,119,615,703,329.42
  5. Step 5: Solve for x
    x = 1,119,615,703,329.42/1,008,364.20
  6. Step 6: Final answer
    x = 1,110,328.69

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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.