Home / 1,180,809.20-1,770,776.40-382,116.80

Finding the Fourth Proportional to 1,180,809.20, 1,770,776.40 and 382,116.80

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Solution

The fourth proportional to 1,180,809.20, 1,770,776.40 and 382,116.80 is: 573,033.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,809.20 : 1,770,776.40 = 382,116.80 : x
  2. Step 2: Convert to fraction form
    1,180,809.20/1,770,776.40 = 382,116.80/x
  3. Step 3: Cross multiply
    1,180,809.20x = 1,770,776.40 × 382,116.80
  4. Step 4: Simplify right side
    1,180,809.20x = 676,643,411,483.52
  5. Step 5: Solve for x
    x = 676,643,411,483.52/1,180,809.20
  6. Step 6: Final answer
    x = 573,033.65

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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.