Home / 1,779,131.20-2,666,947.20-880,711.60

Finding the Fourth Proportional to 1,779,131.20, 2,666,947.20 and 880,711.60

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Solution

The fourth proportional to 1,779,131.20, 2,666,947.20 and 880,711.60 is: 1,320,201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,131.20 : 2,666,947.20 = 880,711.60 : x
  2. Step 2: Convert to fraction form
    1,779,131.20/2,666,947.20 = 880,711.60/x
  3. Step 3: Cross multiply
    1,779,131.20x = 2,666,947.20 × 880,711.60
  4. Step 4: Simplify right side
    1,779,131.20x = 2,348,811,335,627.52
  5. Step 5: Solve for x
    x = 2,348,811,335,627.52/1,779,131.20
  6. Step 6: Final answer
    x = 1,320,201.31

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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.