Home / 1,569,799.90-2,351,200.65-1,289,863.90

Finding the Fourth Proportional to 1,569,799.90, 2,351,200.65 and 1,289,863.90

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Solution

The fourth proportional to 1,569,799.90, 2,351,200.65 and 1,289,863.90 is: 1,931,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,799.90 : 2,351,200.65 = 1,289,863.90 : x
  2. Step 2: Convert to fraction form
    1,569,799.90/2,351,200.65 = 1,289,863.90/x
  3. Step 3: Cross multiply
    1,569,799.90x = 2,351,200.65 × 1,289,863.90
  4. Step 4: Simplify right side
    1,569,799.90x = 3,032,728,840,091.53
  5. Step 5: Solve for x
    x = 3,032,728,840,091.53/1,569,799.90
  6. Step 6: Final answer
    x = 1,931,920.65

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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.