Home / 1,015,689.93-1,401,752.34-580,172.36

Finding the Fourth Proportional to 1,015,689.93, 1,401,752.34 and 580,172.36

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Solution

The fourth proportional to 1,015,689.93, 1,401,752.34 and 580,172.36 is: 800,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,689.93 : 1,401,752.34 = 580,172.36 : x
  2. Step 2: Convert to fraction form
    1,015,689.93/1,401,752.34 = 580,172.36/x
  3. Step 3: Cross multiply
    1,015,689.93x = 1,401,752.34 × 580,172.36
  4. Step 4: Simplify right side
    1,015,689.93x = 813,257,956,224.56
  5. Step 5: Solve for x
    x = 813,257,956,224.56/1,015,689.93
  6. Step 6: Final answer
    x = 800,695.11

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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.