Home / 1,235,785.70-1,854,772.05-729,713.90

Finding the Fourth Proportional to 1,235,785.70, 1,854,772.05 and 729,713.90

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Solution

The fourth proportional to 1,235,785.70, 1,854,772.05 and 729,713.90 is: 1,095,216.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,785.70 : 1,854,772.05 = 729,713.90 : x
  2. Step 2: Convert to fraction form
    1,235,785.70/1,854,772.05 = 729,713.90/x
  3. Step 3: Cross multiply
    1,235,785.70x = 1,854,772.05 × 729,713.90
  4. Step 4: Simplify right side
    1,235,785.70x = 1,353,452,946,216.50
  5. Step 5: Solve for x
    x = 1,353,452,946,216.50/1,235,785.70
  6. Step 6: Final answer
    x = 1,095,216.55

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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.