Home / 1,443,309.32-2,164,370.70-432,074.12

Finding the Fourth Proportional to 1,443,309.32, 2,164,370.70 and 432,074.12

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Solution

The fourth proportional to 1,443,309.32, 2,164,370.70 and 432,074.12 is: 647,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,309.32 : 2,164,370.70 = 432,074.12 : x
  2. Step 2: Convert to fraction form
    1,443,309.32/2,164,370.70 = 432,074.12/x
  3. Step 3: Cross multiply
    1,443,309.32x = 2,164,370.70 × 432,074.12
  4. Step 4: Simplify right side
    1,443,309.32x = 935,168,565,556.28
  5. Step 5: Solve for x
    x = 935,168,565,556.28/1,443,309.32
  6. Step 6: Final answer
    x = 647,933.57

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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.