Home / 1,587,005.67-2,380,190.22-777,041.12

Finding the Fourth Proportional to 1,587,005.67, 2,380,190.22 and 777,041.12

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Solution

The fourth proportional to 1,587,005.67, 2,380,190.22 and 777,041.12 is: 1,165,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,005.67 : 2,380,190.22 = 777,041.12 : x
  2. Step 2: Convert to fraction form
    1,587,005.67/2,380,190.22 = 777,041.12/x
  3. Step 3: Cross multiply
    1,587,005.67x = 2,380,190.22 × 777,041.12
  4. Step 4: Simplify right side
    1,587,005.67x = 1,849,505,662,460.90
  5. Step 5: Solve for x
    x = 1,849,505,662,460.90/1,587,005.67
  6. Step 6: Final answer
    x = 1,165,405.83

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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.