Home / 1,845,092.39-2,768,012.19-780,132.74

Finding the Fourth Proportional to 1,845,092.39, 2,768,012.19 and 780,132.74

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Solution

The fourth proportional to 1,845,092.39, 2,768,012.19 and 780,132.74 is: 1,170,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,092.39 : 2,768,012.19 = 780,132.74 : x
  2. Step 2: Convert to fraction form
    1,845,092.39/2,768,012.19 = 780,132.74/x
  3. Step 3: Cross multiply
    1,845,092.39x = 2,768,012.19 × 780,132.74
  4. Step 4: Simplify right side
    1,845,092.39x = 2,159,416,920,298.04
  5. Step 5: Solve for x
    x = 2,159,416,920,298.04/1,845,092.39
  6. Step 6: Final answer
    x = 1,170,357.07

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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.