Home / 1,309,031.12-1,806,627.46-736,067.18

Finding the Fourth Proportional to 1,309,031.12, 1,806,627.46 and 736,067.18

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Solution

The fourth proportional to 1,309,031.12, 1,806,627.46 and 736,067.18 is: 1,015,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,031.12 : 1,806,627.46 = 736,067.18 : x
  2. Step 2: Convert to fraction form
    1,309,031.12/1,806,627.46 = 736,067.18/x
  3. Step 3: Cross multiply
    1,309,031.12x = 1,806,627.46 × 736,067.18
  4. Step 4: Simplify right side
    1,309,031.12x = 1,329,799,179,792.76
  5. Step 5: Solve for x
    x = 1,329,799,179,792.76/1,309,031.12
  6. Step 6: Final answer
    x = 1,015,865.21

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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.