Home / 1,008,355.20-1,511,204.40-740,860.80

Finding the Fourth Proportional to 1,008,355.20, 1,511,204.40 and 740,860.80

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Solution

The fourth proportional to 1,008,355.20, 1,511,204.40 and 740,860.80 is: 1,110,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,355.20 : 1,511,204.40 = 740,860.80 : x
  2. Step 2: Convert to fraction form
    1,008,355.20/1,511,204.40 = 740,860.80/x
  3. Step 3: Cross multiply
    1,008,355.20x = 1,511,204.40 × 740,860.80
  4. Step 4: Simplify right side
    1,008,355.20x = 1,119,592,100,747.52
  5. Step 5: Solve for x
    x = 1,119,592,100,747.52/1,008,355.20
  6. Step 6: Final answer
    x = 1,110,315.20

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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.