Home / 1,414,943.40-2,120,471.10-907,948.20

Finding the Fourth Proportional to 1,414,943.40, 2,120,471.10 and 907,948.20

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Solution

The fourth proportional to 1,414,943.40, 2,120,471.10 and 907,948.20 is: 1,360,674.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,943.40 : 2,120,471.10 = 907,948.20 : x
  2. Step 2: Convert to fraction form
    1,414,943.40/2,120,471.10 = 907,948.20/x
  3. Step 3: Cross multiply
    1,414,943.40x = 2,120,471.10 × 907,948.20
  4. Step 4: Simplify right side
    1,414,943.40x = 1,925,277,918,397.02
  5. Step 5: Solve for x
    x = 1,925,277,918,397.02/1,414,943.40
  6. Step 6: Final answer
    x = 1,360,674.86

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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.