Home / 1,236,284.20-1,853,540.70-477,476.20

Finding the Fourth Proportional to 1,236,284.20, 1,853,540.70 and 477,476.20

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Solution

The fourth proportional to 1,236,284.20, 1,853,540.70 and 477,476.20 is: 715,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,284.20 : 1,853,540.70 = 477,476.20 : x
  2. Step 2: Convert to fraction form
    1,236,284.20/1,853,540.70 = 477,476.20/x
  3. Step 3: Cross multiply
    1,236,284.20x = 1,853,540.70 × 477,476.20
  4. Step 4: Simplify right side
    1,236,284.20x = 885,021,569,981.34
  5. Step 5: Solve for x
    x = 885,021,569,981.34/1,236,284.20
  6. Step 6: Final answer
    x = 715,872.26

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Double scale
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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.