Home / 1,377,287.30-2,063,914.05-1,235,132.30

Finding the Fourth Proportional to 1,377,287.30, 2,063,914.05 and 1,235,132.30

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Solution

The fourth proportional to 1,377,287.30, 2,063,914.05 and 1,235,132.30 is: 1,850,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,287.30 : 2,063,914.05 = 1,235,132.30 : x
  2. Step 2: Convert to fraction form
    1,377,287.30/2,063,914.05 = 1,235,132.30/x
  3. Step 3: Cross multiply
    1,377,287.30x = 2,063,914.05 × 1,235,132.30
  4. Step 4: Simplify right side
    1,377,287.30x = 2,549,206,907,578.82
  5. Step 5: Solve for x
    x = 2,549,206,907,578.82/1,377,287.30
  6. Step 6: Final answer
    x = 1,850,889.72

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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.