Home / 1,135,775.26-1,567,539.60-728,337.16

Finding the Fourth Proportional to 1,135,775.26, 1,567,539.60 and 728,337.16

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Solution

The fourth proportional to 1,135,775.26, 1,567,539.60 and 728,337.16 is: 1,005,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,775.26 : 1,567,539.60 = 728,337.16 : x
  2. Step 2: Convert to fraction form
    1,135,775.26/1,567,539.60 = 728,337.16/x
  3. Step 3: Cross multiply
    1,135,775.26x = 1,567,539.60 × 728,337.16
  4. Step 4: Simplify right side
    1,135,775.26x = 1,141,697,340,451.54
  5. Step 5: Solve for x
    x = 1,141,697,340,451.54/1,135,775.26
  6. Step 6: Final answer
    x = 1,005,214.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.