Home / 1,370,665.60-2,055,998.40-1,223,699.20

Finding the Fourth Proportional to 1,370,665.60, 2,055,998.40 and 1,223,699.20

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Solution

The fourth proportional to 1,370,665.60, 2,055,998.40 and 1,223,699.20 is: 1,835,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,665.60 : 2,055,998.40 = 1,223,699.20 : x
  2. Step 2: Convert to fraction form
    1,370,665.60/2,055,998.40 = 1,223,699.20/x
  3. Step 3: Cross multiply
    1,370,665.60x = 2,055,998.40 × 1,223,699.20
  4. Step 4: Simplify right side
    1,370,665.60x = 2,515,923,597,281.28
  5. Step 5: Solve for x
    x = 2,515,923,597,281.28/1,370,665.60
  6. Step 6: Final answer
    x = 1,835,548.80

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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.