Home / 1,382,892.50-1,908,391.65-746,988.50

Finding the Fourth Proportional to 1,382,892.50, 1,908,391.65 and 746,988.50

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Solution

The fourth proportional to 1,382,892.50, 1,908,391.65 and 746,988.50 is: 1,030,844.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,892.50 : 1,908,391.65 = 746,988.50 : x
  2. Step 2: Convert to fraction form
    1,382,892.50/1,908,391.65 = 746,988.50/x
  3. Step 3: Cross multiply
    1,382,892.50x = 1,908,391.65 × 746,988.50
  4. Step 4: Simplify right side
    1,382,892.50x = 1,425,546,616,046.03
  5. Step 5: Solve for x
    x = 1,425,546,616,046.03/1,382,892.50
  6. Step 6: Final answer
    x = 1,030,844.13

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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.