Home / 1,182,250.50-1,631,505.69-645,706.50

Finding the Fourth Proportional to 1,182,250.50, 1,631,505.69 and 645,706.50

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Solution

The fourth proportional to 1,182,250.50, 1,631,505.69 and 645,706.50 is: 891,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,250.50 : 1,631,505.69 = 645,706.50 : x
  2. Step 2: Convert to fraction form
    1,182,250.50/1,631,505.69 = 645,706.50/x
  3. Step 3: Cross multiply
    1,182,250.50x = 1,631,505.69 × 645,706.50
  4. Step 4: Simplify right side
    1,182,250.50x = 1,053,473,828,819.99
  5. Step 5: Solve for x
    x = 1,053,473,828,819.99/1,182,250.50
  6. Step 6: Final answer
    x = 891,074.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.