Home / 1,900,402.60-2,852,216.70-779,276.20

Finding the Fourth Proportional to 1,900,402.60, 2,852,216.70 and 779,276.20

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Solution

The fourth proportional to 1,900,402.60, 2,852,216.70 and 779,276.20 is: 1,169,575.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,402.60 : 2,852,216.70 = 779,276.20 : x
  2. Step 2: Convert to fraction form
    1,900,402.60/2,852,216.70 = 779,276.20/x
  3. Step 3: Cross multiply
    1,900,402.60x = 2,852,216.70 × 779,276.20
  4. Step 4: Simplify right side
    1,900,402.60x = 2,222,664,591,552.54
  5. Step 5: Solve for x
    x = 2,222,664,591,552.54/1,900,402.60
  6. Step 6: Final answer
    x = 1,169,575.64

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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.