Home / 1,466,420.28-2,199,796.54-1,315,734.78

Finding the Fourth Proportional to 1,466,420.28, 2,199,796.54 and 1,315,734.78

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Solution

The fourth proportional to 1,466,420.28, 2,199,796.54 and 1,315,734.78 is: 1,973,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466,420.28 : 2,199,796.54 = 1,315,734.78 : x
  2. Step 2: Convert to fraction form
    1,466,420.28/2,199,796.54 = 1,315,734.78/x
  3. Step 3: Cross multiply
    1,466,420.28x = 2,199,796.54 × 1,315,734.78
  4. Step 4: Simplify right side
    1,466,420.28x = 2,894,348,816,601.66
  5. Step 5: Solve for x
    x = 2,894,348,816,601.66/1,466,420.28
  6. Step 6: Final answer
    x = 1,973,751.22

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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.