Home / 1,235,786.20-1,854,772.80-729,714.40

Finding the Fourth Proportional to 1,235,786.20, 1,854,772.80 and 729,714.40

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Solution

The fourth proportional to 1,235,786.20, 1,854,772.80 and 729,714.40 is: 1,095,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,786.20 : 1,854,772.80 = 729,714.40 : x
  2. Step 2: Convert to fraction form
    1,235,786.20/1,854,772.80 = 729,714.40/x
  3. Step 3: Cross multiply
    1,235,786.20x = 1,854,772.80 × 729,714.40
  4. Step 4: Simplify right side
    1,235,786.20x = 1,353,454,420,888.32
  5. Step 5: Solve for x
    x = 1,353,454,420,888.32/1,235,786.20
  6. Step 6: Final answer
    x = 1,095,217.30

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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.