Home / 1,313,401.95-1,970,161.94-402,517.69

Finding the Fourth Proportional to 1,313,401.95, 1,970,161.94 and 402,517.69

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Solution

The fourth proportional to 1,313,401.95, 1,970,161.94 and 402,517.69 is: 603,794.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,401.95 : 1,970,161.94 = 402,517.69 : x
  2. Step 2: Convert to fraction form
    1,313,401.95/1,970,161.94 = 402,517.69/x
  3. Step 3: Cross multiply
    1,313,401.95x = 1,970,161.94 × 402,517.69
  4. Step 4: Simplify right side
    1,313,401.95x = 793,025,029,095.61
  5. Step 5: Solve for x
    x = 793,025,029,095.61/1,313,401.95
  6. Step 6: Final answer
    x = 603,794.62

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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.