Home / 1,228,296.32-1,842,616.70-429,396.15

Finding the Fourth Proportional to 1,228,296.32, 1,842,616.70 and 429,396.15

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Solution

The fourth proportional to 1,228,296.32, 1,842,616.70 and 429,396.15 is: 644,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,296.32 : 1,842,616.70 = 429,396.15 : x
  2. Step 2: Convert to fraction form
    1,228,296.32/1,842,616.70 = 429,396.15/x
  3. Step 3: Cross multiply
    1,228,296.32x = 1,842,616.70 × 429,396.15
  4. Step 4: Simplify right side
    1,228,296.32x = 791,212,514,758.72
  5. Step 5: Solve for x
    x = 791,212,514,758.72/1,228,296.32
  6. Step 6: Final answer
    x = 644,154.43

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1.5x scale

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.