Home / 1,353,617.40-1,867,992.32-809,775.84

Finding the Fourth Proportional to 1,353,617.40, 1,867,992.32 and 809,775.84

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Solution

The fourth proportional to 1,353,617.40, 1,867,992.32 and 809,775.84 is: 1,117,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,617.40 : 1,867,992.32 = 809,775.84 : x
  2. Step 2: Convert to fraction form
    1,353,617.40/1,867,992.32 = 809,775.84/x
  3. Step 3: Cross multiply
    1,353,617.40x = 1,867,992.32 × 809,775.84
  4. Step 4: Simplify right side
    1,353,617.40x = 1,512,655,050,041.55
  5. Step 5: Solve for x
    x = 1,512,655,050,041.55/1,353,617.40
  6. Step 6: Final answer
    x = 1,117,490.84

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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.