Home / 1,532,622.72-2,115,019.40-853,559.20

Finding the Fourth Proportional to 1,532,622.72, 2,115,019.40 and 853,559.20

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Solution

The fourth proportional to 1,532,622.72, 2,115,019.40 and 853,559.20 is: 1,177,911.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,622.72 : 2,115,019.40 = 853,559.20 : x
  2. Step 2: Convert to fraction form
    1,532,622.72/2,115,019.40 = 853,559.20/x
  3. Step 3: Cross multiply
    1,532,622.72x = 2,115,019.40 × 853,559.20
  4. Step 4: Simplify right side
    1,532,622.72x = 1,805,294,267,048.48
  5. Step 5: Solve for x
    x = 1,805,294,267,048.48/1,532,622.72
  6. Step 6: Final answer
    x = 1,177,911.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.