Home / 1,320,146.48-1,979,902.56-609,492.08

Finding the Fourth Proportional to 1,320,146.48, 1,979,902.56 and 609,492.08

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Solution

The fourth proportional to 1,320,146.48, 1,979,902.56 and 609,492.08 is: 914,091.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,146.48 : 1,979,902.56 = 609,492.08 : x
  2. Step 2: Convert to fraction form
    1,320,146.48/1,979,902.56 = 609,492.08/x
  3. Step 3: Cross multiply
    1,320,146.48x = 1,979,902.56 × 609,492.08
  4. Step 4: Simplify right side
    1,320,146.48x = 1,206,734,929,491.72
  5. Step 5: Solve for x
    x = 1,206,734,929,491.72/1,320,146.48
  6. Step 6: Final answer
    x = 914,091.69

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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.