Home / 1,136,989.27-1,569,020.74-620,718.02

Finding the Fourth Proportional to 1,136,989.27, 1,569,020.74 and 620,718.02

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Solution

The fourth proportional to 1,136,989.27, 1,569,020.74 and 620,718.02 is: 856,577.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,989.27 : 1,569,020.74 = 620,718.02 : x
  2. Step 2: Convert to fraction form
    1,136,989.27/1,569,020.74 = 620,718.02/x
  3. Step 3: Cross multiply
    1,136,989.27x = 1,569,020.74 × 620,718.02
  4. Step 4: Simplify right side
    1,136,989.27x = 973,919,451,050.82
  5. Step 5: Solve for x
    x = 973,919,451,050.82/1,136,989.27
  6. Step 6: Final answer
    x = 856,577.52

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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.