Home / 1,875,512.40-2,809,121.40-753,003.60

Finding the Fourth Proportional to 1,875,512.40, 2,809,121.40 and 753,003.60

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Solution

The fourth proportional to 1,875,512.40, 2,809,121.40 and 753,003.60 is: 1,127,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,512.40 : 2,809,121.40 = 753,003.60 : x
  2. Step 2: Convert to fraction form
    1,875,512.40/2,809,121.40 = 753,003.60/x
  3. Step 3: Cross multiply
    1,875,512.40x = 2,809,121.40 × 753,003.60
  4. Step 4: Simplify right side
    1,875,512.40x = 2,115,278,527,037.04
  5. Step 5: Solve for x
    x = 2,115,278,527,037.04/1,875,512.40
  6. Step 6: Final answer
    x = 1,127,840.33

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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.