Home / 1,381,418.68-2,072,408.30-434,569.18

Finding the Fourth Proportional to 1,381,418.68, 2,072,408.30 and 434,569.18

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Solution

The fourth proportional to 1,381,418.68, 2,072,408.30 and 434,569.18 is: 651,941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,418.68 : 2,072,408.30 = 434,569.18 : x
  2. Step 2: Convert to fraction form
    1,381,418.68/2,072,408.30 = 434,569.18/x
  3. Step 3: Cross multiply
    1,381,418.68x = 2,072,408.30 × 434,569.18
  4. Step 4: Simplify right side
    1,381,418.68x = 900,604,775,556.19
  5. Step 5: Solve for x
    x = 900,604,775,556.19/1,381,418.68
  6. Step 6: Final answer
    x = 651,941.94

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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.