Home / 1,352,713.50-1,866,803.31-749,101.50

Finding the Fourth Proportional to 1,352,713.50, 1,866,803.31 and 749,101.50

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Solution

The fourth proportional to 1,352,713.50, 1,866,803.31 and 749,101.50 is: 1,033,792.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,713.50 : 1,866,803.31 = 749,101.50 : x
  2. Step 2: Convert to fraction form
    1,352,713.50/1,866,803.31 = 749,101.50/x
  3. Step 3: Cross multiply
    1,352,713.50x = 1,866,803.31 × 749,101.50
  4. Step 4: Simplify right side
    1,352,713.50x = 1,398,425,159,725.97
  5. Step 5: Solve for x
    x = 1,398,425,159,725.97/1,352,713.50
  6. Step 6: Final answer
    x = 1,033,792.57

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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.