Home / 1,180,819.80-1,771,448.40-382,127.40

Finding the Fourth Proportional to 1,180,819.80, 1,771,448.40 and 382,127.40

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Solution

The fourth proportional to 1,180,819.80, 1,771,448.40 and 382,127.40 is: 573,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,819.80 : 1,771,448.40 = 382,127.40 : x
  2. Step 2: Convert to fraction form
    1,180,819.80/1,771,448.40 = 382,127.40/x
  3. Step 3: Cross multiply
    1,180,819.80x = 1,771,448.40 × 382,127.40
  4. Step 4: Simplify right side
    1,180,819.80x = 676,918,971,326.16
  5. Step 5: Solve for x
    x = 676,918,971,326.16/1,180,819.80
  6. Step 6: Final answer
    x = 573,261.87

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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.