Home / 1,795,712.76-2,478,136.26-979,969.11

Finding the Fourth Proportional to 1,795,712.76, 2,478,136.26 and 979,969.11

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Solution

The fourth proportional to 1,795,712.76, 2,478,136.26 and 979,969.11 is: 1,352,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795,712.76 : 2,478,136.26 = 979,969.11 : x
  2. Step 2: Convert to fraction form
    1,795,712.76/2,478,136.26 = 979,969.11/x
  3. Step 3: Cross multiply
    1,795,712.76x = 2,478,136.26 × 979,969.11
  4. Step 4: Simplify right side
    1,795,712.76x = 2,428,496,985,170.93
  5. Step 5: Solve for x
    x = 2,428,496,985,170.93/1,795,712.76
  6. Step 6: Final answer
    x = 1,352,386.10

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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.