Home / 1,440,114.72-2,157,805.20-492,968.76

Finding the Fourth Proportional to 1,440,114.72, 2,157,805.20 and 492,968.76

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Solution

The fourth proportional to 1,440,114.72, 2,157,805.20 and 492,968.76 is: 738,642.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,114.72 : 2,157,805.20 = 492,968.76 : x
  2. Step 2: Convert to fraction form
    1,440,114.72/2,157,805.20 = 492,968.76/x
  3. Step 3: Cross multiply
    1,440,114.72x = 2,157,805.20 × 492,968.76
  4. Step 4: Simplify right side
    1,440,114.72x = 1,063,730,553,765.55
  5. Step 5: Solve for x
    x = 1,063,730,553,765.55/1,440,114.72
  6. Step 6: Final answer
    x = 738,642.93

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1.5x scale

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.