Home / 1,330,401.20-1,995,601.80-572,605.70

Finding the Fourth Proportional to 1,330,401.20, 1,995,601.80 and 572,605.70

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Solution

The fourth proportional to 1,330,401.20, 1,995,601.80 and 572,605.70 is: 858,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,401.20 : 1,995,601.80 = 572,605.70 : x
  2. Step 2: Convert to fraction form
    1,330,401.20/1,995,601.80 = 572,605.70/x
  3. Step 3: Cross multiply
    1,330,401.20x = 1,995,601.80 × 572,605.70
  4. Step 4: Simplify right side
    1,330,401.20x = 1,142,692,965,610.26
  5. Step 5: Solve for x
    x = 1,142,692,965,610.26/1,330,401.20
  6. Step 6: Final answer
    x = 858,908.55

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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.