Home / 1,245,720.20-1,868,580.30-996,888.20

Finding the Fourth Proportional to 1,245,720.20, 1,868,580.30 and 996,888.20

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Solution

The fourth proportional to 1,245,720.20, 1,868,580.30 and 996,888.20 is: 1,495,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,720.20 : 1,868,580.30 = 996,888.20 : x
  2. Step 2: Convert to fraction form
    1,245,720.20/1,868,580.30 = 996,888.20/x
  3. Step 3: Cross multiply
    1,245,720.20x = 1,868,580.30 × 996,888.20
  4. Step 4: Simplify right side
    1,245,720.20x = 1,862,765,651,822.46
  5. Step 5: Solve for x
    x = 1,862,765,651,822.46/1,245,720.20
  6. Step 6: Final answer
    x = 1,495,332.30

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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.