Home / 1,137,209.21-1,569,356.31-620,966.69

Finding the Fourth Proportional to 1,137,209.21, 1,569,356.31 and 620,966.69

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Solution

The fourth proportional to 1,137,209.21, 1,569,356.31 and 620,966.69 is: 856,938.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,209.21 : 1,569,356.31 = 620,966.69 : x
  2. Step 2: Convert to fraction form
    1,137,209.21/1,569,356.31 = 620,966.69/x
  3. Step 3: Cross multiply
    1,137,209.21x = 1,569,356.31 × 620,966.69
  4. Step 4: Simplify right side
    1,137,209.21x = 974,517,993,251.31
  5. Step 5: Solve for x
    x = 974,517,993,251.31/1,137,209.21
  6. Step 6: Final answer
    x = 856,938.18

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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.