Home / 1,435,279.80-2,152,919.70-959,388.60

Finding the Fourth Proportional to 1,435,279.80, 2,152,919.70 and 959,388.60

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Solution

The fourth proportional to 1,435,279.80, 2,152,919.70 and 959,388.60 is: 1,439,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,279.80 : 2,152,919.70 = 959,388.60 : x
  2. Step 2: Convert to fraction form
    1,435,279.80/2,152,919.70 = 959,388.60/x
  3. Step 3: Cross multiply
    1,435,279.80x = 2,152,919.70 × 959,388.60
  4. Step 4: Simplify right side
    1,435,279.80x = 2,065,486,616,895.42
  5. Step 5: Solve for x
    x = 2,065,486,616,895.42/1,435,279.80
  6. Step 6: Final answer
    x = 1,439,082.90

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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.