Home / 869,113.30-1,303,669.95-834,121.30

Finding the Fourth Proportional to 869,113.30, 1,303,669.95 and 834,121.30

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Solution

The fourth proportional to 869,113.30, 1,303,669.95 and 834,121.30 is: 1,251,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,113.30 : 1,303,669.95 = 834,121.30 : x
  2. Step 2: Convert to fraction form
    869,113.30/1,303,669.95 = 834,121.30/x
  3. Step 3: Cross multiply
    869,113.30x = 1,303,669.95 × 834,121.30
  4. Step 4: Simplify right side
    869,113.30x = 1,087,418,873,464.94
  5. Step 5: Solve for x
    x = 1,087,418,873,464.94/869,113.30
  6. Step 6: Final answer
    x = 1,251,181.95

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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.