Home / 879,437.20-1,315,219.20-737,719.60

Finding the Fourth Proportional to 879,437.20, 1,315,219.20 and 737,719.60

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Solution

The fourth proportional to 879,437.20, 1,315,219.20 and 737,719.60 is: 1,103,277.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,437.20 : 1,315,219.20 = 737,719.60 : x
  2. Step 2: Convert to fraction form
    879,437.20/1,315,219.20 = 737,719.60/x
  3. Step 3: Cross multiply
    879,437.20x = 1,315,219.20 × 737,719.60
  4. Step 4: Simplify right side
    879,437.20x = 970,262,982,136.32
  5. Step 5: Solve for x
    x = 970,262,982,136.32/879,437.20
  6. Step 6: Final answer
    x = 1,103,277.17

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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.