Home / 1,207,220.32-1,811,110.52-354,257.52

Finding the Fourth Proportional to 1,207,220.32, 1,811,110.52 and 354,257.52

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Solution

The fourth proportional to 1,207,220.32, 1,811,110.52 and 354,257.52 is: 531,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,220.32 : 1,811,110.52 = 354,257.52 : x
  2. Step 2: Convert to fraction form
    1,207,220.32/1,811,110.52 = 354,257.52/x
  3. Step 3: Cross multiply
    1,207,220.32x = 1,811,110.52 × 354,257.52
  4. Step 4: Simplify right side
    1,207,220.32x = 641,599,521,261.11
  5. Step 5: Solve for x
    x = 641,599,521,261.11/1,207,220.32
  6. Step 6: Final answer
    x = 531,468.46

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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.