Home / 1,295,422.52-1,787,706.06-722,401.16

Finding the Fourth Proportional to 1,295,422.52, 1,787,706.06 and 722,401.16

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Solution

The fourth proportional to 1,295,422.52, 1,787,706.06 and 722,401.16 is: 996,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,422.52 : 1,787,706.06 = 722,401.16 : x
  2. Step 2: Convert to fraction form
    1,295,422.52/1,787,706.06 = 722,401.16/x
  3. Step 3: Cross multiply
    1,295,422.52x = 1,787,706.06 × 722,401.16
  4. Step 4: Simplify right side
    1,295,422.52x = 1,291,440,931,483.03
  5. Step 5: Solve for x
    x = 1,291,440,931,483.03/1,295,422.52
  6. Step 6: Final answer
    x = 996,926.42

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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.