Home / 1,286,682.52-1,929,463.04-433,595.20

Finding the Fourth Proportional to 1,286,682.52, 1,929,463.04 and 433,595.20

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Solution

The fourth proportional to 1,286,682.52, 1,929,463.04 and 433,595.20 is: 650,203.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,682.52 : 1,929,463.04 = 433,595.20 : x
  2. Step 2: Convert to fraction form
    1,286,682.52/1,929,463.04 = 433,595.20/x
  3. Step 3: Cross multiply
    1,286,682.52x = 1,929,463.04 × 433,595.20
  4. Step 4: Simplify right side
    1,286,682.52x = 836,605,912,721.41
  5. Step 5: Solve for x
    x = 836,605,912,721.41/1,286,682.52
  6. Step 6: Final answer
    x = 650,203.84

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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.