Home / 1,180,320.80-1,767,856.80-913,215.20

Finding the Fourth Proportional to 1,180,320.80, 1,767,856.80 and 913,215.20

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Solution

The fourth proportional to 1,180,320.80, 1,767,856.80 and 913,215.20 is: 1,367,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,320.80 : 1,767,856.80 = 913,215.20 : x
  2. Step 2: Convert to fraction form
    1,180,320.80/1,767,856.80 = 913,215.20/x
  3. Step 3: Cross multiply
    1,180,320.80x = 1,767,856.80 × 913,215.20
  4. Step 4: Simplify right side
    1,180,320.80x = 1,614,433,701,183.36
  5. Step 5: Solve for x
    x = 1,614,433,701,183.36/1,180,320.80
  6. Step 6: Final answer
    x = 1,367,792.30

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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.