Home / 1,856,284.80-2,781,770.40-1,055,875.20

Finding the Fourth Proportional to 1,856,284.80, 2,781,770.40 and 1,055,875.20

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Solution

The fourth proportional to 1,856,284.80, 2,781,770.40 and 1,055,875.20 is: 1,582,301.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,284.80 : 2,781,770.40 = 1,055,875.20 : x
  2. Step 2: Convert to fraction form
    1,856,284.80/2,781,770.40 = 1,055,875.20/x
  3. Step 3: Cross multiply
    1,856,284.80x = 2,781,770.40 × 1,055,875.20
  4. Step 4: Simplify right side
    1,856,284.80x = 2,937,202,377,454.08
  5. Step 5: Solve for x
    x = 2,937,202,377,454.08/1,856,284.80
  6. Step 6: Final answer
    x = 1,582,301.58

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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.