Home / 1,375,292.20-2,062,938.30-477,747.40

Finding the Fourth Proportional to 1,375,292.20, 2,062,938.30 and 477,747.40

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Solution

The fourth proportional to 1,375,292.20, 2,062,938.30 and 477,747.40 is: 716,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,292.20 : 2,062,938.30 = 477,747.40 : x
  2. Step 2: Convert to fraction form
    1,375,292.20/2,062,938.30 = 477,747.40/x
  3. Step 3: Cross multiply
    1,375,292.20x = 2,062,938.30 × 477,747.40
  4. Step 4: Simplify right side
    1,375,292.20x = 985,563,409,185.42
  5. Step 5: Solve for x
    x = 985,563,409,185.42/1,375,292.20
  6. Step 6: Final answer
    x = 716,621.10

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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.