Home / 1,103,035.60-1,652,803.80-728,621.20

Finding the Fourth Proportional to 1,103,035.60, 1,652,803.80 and 728,621.20

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Solution

The fourth proportional to 1,103,035.60, 1,652,803.80 and 728,621.20 is: 1,091,776.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,035.60 : 1,652,803.80 = 728,621.20 : x
  2. Step 2: Convert to fraction form
    1,103,035.60/1,652,803.80 = 728,621.20/x
  3. Step 3: Cross multiply
    1,103,035.60x = 1,652,803.80 × 728,621.20
  4. Step 4: Simplify right side
    1,103,035.60x = 1,204,267,888,120.56
  5. Step 5: Solve for x
    x = 1,204,267,888,120.56/1,103,035.60
  6. Step 6: Final answer
    x = 1,091,776.08

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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.