Home / 1,235,902.52-1,854,203.70-730,911.80

Finding the Fourth Proportional to 1,235,902.52, 1,854,203.70 and 730,911.80

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Solution

The fourth proportional to 1,235,902.52, 1,854,203.70 and 730,911.80 is: 1,096,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,902.52 : 1,854,203.70 = 730,911.80 : x
  2. Step 2: Convert to fraction form
    1,235,902.52/1,854,203.70 = 730,911.80/x
  3. Step 3: Cross multiply
    1,235,902.52x = 1,854,203.70 × 730,911.80
  4. Step 4: Simplify right side
    1,235,902.52x = 1,355,259,363,933.66
  5. Step 5: Solve for x
    x = 1,355,259,363,933.66/1,235,902.52
  6. Step 6: Final answer
    x = 1,096,574.64

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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.