Home / 1,280,006.33-1,766,337.84-699,113.80

Finding the Fourth Proportional to 1,280,006.33, 1,766,337.84 and 699,113.80

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Solution

The fourth proportional to 1,280,006.33, 1,766,337.84 and 699,113.80 is: 964,738.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,006.33 : 1,766,337.84 = 699,113.80 : x
  2. Step 2: Convert to fraction form
    1,280,006.33/1,766,337.84 = 699,113.80/x
  3. Step 3: Cross multiply
    1,280,006.33x = 1,766,337.84 × 699,113.80
  4. Step 4: Simplify right side
    1,280,006.33x = 1,234,871,159,406.19
  5. Step 5: Solve for x
    x = 1,234,871,159,406.19/1,280,006.33
  6. Step 6: Final answer
    x = 964,738.32

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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.