Home / 1,532,043.20-2,299,101.60-690,161.60

Finding the Fourth Proportional to 1,532,043.20, 2,299,101.60 and 690,161.60

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Solution

The fourth proportional to 1,532,043.20, 2,299,101.60 and 690,161.60 is: 1,035,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,043.20 : 2,299,101.60 = 690,161.60 : x
  2. Step 2: Convert to fraction form
    1,532,043.20/2,299,101.60 = 690,161.60/x
  3. Step 3: Cross multiply
    1,532,043.20x = 2,299,101.60 × 690,161.60
  4. Step 4: Simplify right side
    1,532,043.20x = 1,586,751,638,818.56
  5. Step 5: Solve for x
    x = 1,586,751,638,818.56/1,532,043.20
  6. Step 6: Final answer
    x = 1,035,709.46

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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.