Home / 1,603,154.76-2,212,353.54-878,004.18

Finding the Fourth Proportional to 1,603,154.76, 2,212,353.54 and 878,004.18

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Solution

The fourth proportional to 1,603,154.76, 2,212,353.54 and 878,004.18 is: 1,211,645.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,154.76 : 2,212,353.54 = 878,004.18 : x
  2. Step 2: Convert to fraction form
    1,603,154.76/2,212,353.54 = 878,004.18/x
  3. Step 3: Cross multiply
    1,603,154.76x = 2,212,353.54 × 878,004.18
  4. Step 4: Simplify right side
    1,603,154.76x = 1,942,455,655,757.80
  5. Step 5: Solve for x
    x = 1,942,455,655,757.80/1,603,154.76
  6. Step 6: Final answer
    x = 1,211,645.75

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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.