Home / 1,121,211.57-1,681,757.05-552,025.25

Finding the Fourth Proportional to 1,121,211.57, 1,681,757.05 and 552,025.25

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Solution

The fourth proportional to 1,121,211.57, 1,681,757.05 and 552,025.25 is: 828,008.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,211.57 : 1,681,757.05 = 552,025.25 : x
  2. Step 2: Convert to fraction form
    1,121,211.57/1,681,757.05 = 552,025.25/x
  3. Step 3: Cross multiply
    1,121,211.57x = 1,681,757.05 × 552,025.25
  4. Step 4: Simplify right side
    1,121,211.57x = 928,372,355,965.51
  5. Step 5: Solve for x
    x = 928,372,355,965.51/1,121,211.57
  6. Step 6: Final answer
    x = 828,008.18

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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.