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Finding the Fourth Proportional to 1,352,575, 1,866,553.50 and 748,963

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Solution

The fourth proportional to 1,352,575, 1,866,553.50 and 748,963 is: 1,033,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,575 : 1,866,553.50 = 748,963 : x
  2. Step 2: Convert to fraction form
    1,352,575/1,866,553.50 = 748,963/x
  3. Step 3: Cross multiply
    1,352,575x = 1,866,553.50 × 748,963
  4. Step 4: Simplify right side
    1,352,575x = 1,397,979,509,020.50
  5. Step 5: Solve for x
    x = 1,397,979,509,020.50/1,352,575
  6. Step 6: Final answer
    x = 1,033,568.94

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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.