Home / 1,775,309.60-2,662,964.40-1,208,439.20

Finding the Fourth Proportional to 1,775,309.60, 2,662,964.40 and 1,208,439.20

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Solution

The fourth proportional to 1,775,309.60, 2,662,964.40 and 1,208,439.20 is: 1,812,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,309.60 : 2,662,964.40 = 1,208,439.20 : x
  2. Step 2: Convert to fraction form
    1,775,309.60/2,662,964.40 = 1,208,439.20/x
  3. Step 3: Cross multiply
    1,775,309.60x = 2,662,964.40 × 1,208,439.20
  4. Step 4: Simplify right side
    1,775,309.60x = 3,218,030,569,164.48
  5. Step 5: Solve for x
    x = 3,218,030,569,164.48/1,775,309.60
  6. Step 6: Final answer
    x = 1,812,658.80

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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.