Home / 1,121,927.78-1,548,260.18-612,630.62

Finding the Fourth Proportional to 1,121,927.78, 1,548,260.18 and 612,630.62

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Solution

The fourth proportional to 1,121,927.78, 1,548,260.18 and 612,630.62 is: 845,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,927.78 : 1,548,260.18 = 612,630.62 : x
  2. Step 2: Convert to fraction form
    1,121,927.78/1,548,260.18 = 612,630.62/x
  3. Step 3: Cross multiply
    1,121,927.78x = 1,548,260.18 × 612,630.62
  4. Step 4: Simplify right side
    1,121,927.78x = 948,511,593,994.71
  5. Step 5: Solve for x
    x = 948,511,593,994.71/1,121,927.78
  6. Step 6: Final answer
    x = 845,430.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.