Home / 1,461,810.80-2,190,383.40-1,223,865.20

Finding the Fourth Proportional to 1,461,810.80, 2,190,383.40 and 1,223,865.20

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Solution

The fourth proportional to 1,461,810.80, 2,190,383.40 and 1,223,865.20 is: 1,833,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,810.80 : 2,190,383.40 = 1,223,865.20 : x
  2. Step 2: Convert to fraction form
    1,461,810.80/2,190,383.40 = 1,223,865.20/x
  3. Step 3: Cross multiply
    1,461,810.80x = 2,190,383.40 × 1,223,865.20
  4. Step 4: Simplify right side
    1,461,810.80x = 2,680,734,017,917.68
  5. Step 5: Solve for x
    x = 2,680,734,017,917.68/1,461,810.80
  6. Step 6: Final answer
    x = 1,833,844.72

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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.