Home / 1,479,435.60-2,219,279.90-519,807.80

Finding the Fourth Proportional to 1,479,435.60, 2,219,279.90 and 519,807.80

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Solution

The fourth proportional to 1,479,435.60, 2,219,279.90 and 519,807.80 is: 779,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,435.60 : 2,219,279.90 = 519,807.80 : x
  2. Step 2: Convert to fraction form
    1,479,435.60/2,219,279.90 = 519,807.80/x
  3. Step 3: Cross multiply
    1,479,435.60x = 2,219,279.90 × 519,807.80
  4. Step 4: Simplify right side
    1,479,435.60x = 1,153,598,995,792.85
  5. Step 5: Solve for x
    x = 1,153,598,995,792.85/1,479,435.60
  6. Step 6: Final answer
    x = 779,756.14

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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.