Home / 1,353,621.57-1,867,997.80-750,009.57

Finding the Fourth Proportional to 1,353,621.57, 1,867,997.80 and 750,009.57

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Solution

The fourth proportional to 1,353,621.57, 1,867,997.80 and 750,009.57 is: 1,035,013.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,621.57 : 1,867,997.80 = 750,009.57 : x
  2. Step 2: Convert to fraction form
    1,353,621.57/1,867,997.80 = 750,009.57/x
  3. Step 3: Cross multiply
    1,353,621.57x = 1,867,997.80 × 750,009.57
  4. Step 4: Simplify right side
    1,353,621.57x = 1,401,016,226,738.95
  5. Step 5: Solve for x
    x = 1,401,016,226,738.95/1,353,621.57
  6. Step 6: Final answer
    x = 1,035,013.23

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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.