Home / 1,386,925.60-2,080,388.40-1,150,535.20

Finding the Fourth Proportional to 1,386,925.60, 2,080,388.40 and 1,150,535.20

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Solution

The fourth proportional to 1,386,925.60, 2,080,388.40 and 1,150,535.20 is: 1,725,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,925.60 : 2,080,388.40 = 1,150,535.20 : x
  2. Step 2: Convert to fraction form
    1,386,925.60/2,080,388.40 = 1,150,535.20/x
  3. Step 3: Cross multiply
    1,386,925.60x = 2,080,388.40 × 1,150,535.20
  4. Step 4: Simplify right side
    1,386,925.60x = 2,393,560,083,871.68
  5. Step 5: Solve for x
    x = 2,393,560,083,871.68/1,386,925.60
  6. Step 6: Final answer
    x = 1,725,802.80

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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.