Home / 1,020,778.20-1,531,167.30-523,114.20

Finding the Fourth Proportional to 1,020,778.20, 1,531,167.30 and 523,114.20

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Solution

The fourth proportional to 1,020,778.20, 1,531,167.30 and 523,114.20 is: 784,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,778.20 : 1,531,167.30 = 523,114.20 : x
  2. Step 2: Convert to fraction form
    1,020,778.20/1,531,167.30 = 523,114.20/x
  3. Step 3: Cross multiply
    1,020,778.20x = 1,531,167.30 × 523,114.20
  4. Step 4: Simplify right side
    1,020,778.20x = 800,975,357,205.66
  5. Step 5: Solve for x
    x = 800,975,357,205.66/1,020,778.20
  6. Step 6: Final answer
    x = 784,671.30

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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.