Home / 1,988,871.40-2,983,739.10-726,697

Finding the Fourth Proportional to 1,988,871.40, 2,983,739.10 and 726,697

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Solution

The fourth proportional to 1,988,871.40, 2,983,739.10 and 726,697 is: 1,090,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,871.40 : 2,983,739.10 = 726,697 : x
  2. Step 2: Convert to fraction form
    1,988,871.40/2,983,739.10 = 726,697/x
  3. Step 3: Cross multiply
    1,988,871.40x = 2,983,739.10 × 726,697
  4. Step 4: Simplify right side
    1,988,871.40x = 2,168,274,252,752.70
  5. Step 5: Solve for x
    x = 2,168,274,252,752.70/1,988,871.40
  6. Step 6: Final answer
    x = 1,090,203.34

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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.