Home / 1,295,423.02-1,787,706.75-722,401.66

Finding the Fourth Proportional to 1,295,423.02, 1,787,706.75 and 722,401.66

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Solution

The fourth proportional to 1,295,423.02, 1,787,706.75 and 722,401.66 is: 996,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,423.02 : 1,787,706.75 = 722,401.66 : x
  2. Step 2: Convert to fraction form
    1,295,423.02/1,787,706.75 = 722,401.66/x
  3. Step 3: Cross multiply
    1,295,423.02x = 1,787,706.75 × 722,401.66
  4. Step 4: Simplify right side
    1,295,423.02x = 1,291,442,323,793.21
  5. Step 5: Solve for x
    x = 1,291,442,323,793.21/1,295,423.02
  6. Step 6: Final answer
    x = 996,927.11

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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.