Home / 1,988,801.40-2,983,634.10-726,627

Finding the Fourth Proportional to 1,988,801.40, 2,983,634.10 and 726,627

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Solution

The fourth proportional to 1,988,801.40, 2,983,634.10 and 726,627 is: 1,090,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,801.40 : 2,983,634.10 = 726,627 : x
  2. Step 2: Convert to fraction form
    1,988,801.40/2,983,634.10 = 726,627/x
  3. Step 3: Cross multiply
    1,988,801.40x = 2,983,634.10 × 726,627
  4. Step 4: Simplify right side
    1,988,801.40x = 2,167,989,095,180.70
  5. Step 5: Solve for x
    x = 2,167,989,095,180.70/1,988,801.40
  6. Step 6: Final answer
    x = 1,090,098.34

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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.