Home / 1,619,374.60-2,427,506.70-1,259,345.80

Finding the Fourth Proportional to 1,619,374.60, 2,427,506.70 and 1,259,345.80

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Solution

The fourth proportional to 1,619,374.60, 2,427,506.70 and 1,259,345.80 is: 1,887,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,374.60 : 2,427,506.70 = 1,259,345.80 : x
  2. Step 2: Convert to fraction form
    1,619,374.60/2,427,506.70 = 1,259,345.80/x
  3. Step 3: Cross multiply
    1,619,374.60x = 2,427,506.70 × 1,259,345.80
  4. Step 4: Simplify right side
    1,619,374.60x = 3,057,070,367,116.86
  5. Step 5: Solve for x
    x = 3,057,070,367,116.86/1,619,374.60
  6. Step 6: Final answer
    x = 1,887,809.26

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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.