Home / 1,245,069.15-1,869,353.33-772,677.15

Finding the Fourth Proportional to 1,245,069.15, 1,869,353.33 and 772,677.15

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Solution

The fourth proportional to 1,245,069.15, 1,869,353.33 and 772,677.15 is: 1,160,101.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,069.15 : 1,869,353.33 = 772,677.15 : x
  2. Step 2: Convert to fraction form
    1,245,069.15/1,869,353.33 = 772,677.15/x
  3. Step 3: Cross multiply
    1,245,069.15x = 1,869,353.33 × 772,677.15
  4. Step 4: Simplify right side
    1,245,069.15x = 1,444,406,599,504.02
  5. Step 5: Solve for x
    x = 1,444,406,599,504.02/1,245,069.15
  6. Step 6: Final answer
    x = 1,160,101.51

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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.