Home / 1,353,616.02-1,867,990.41-809,774.46

Finding the Fourth Proportional to 1,353,616.02, 1,867,990.41 and 809,774.46

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Solution

The fourth proportional to 1,353,616.02, 1,867,990.41 and 809,774.46 is: 1,117,488.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,616.02 : 1,867,990.41 = 809,774.46 : x
  2. Step 2: Convert to fraction form
    1,353,616.02/1,867,990.41 = 809,774.46/x
  3. Step 3: Cross multiply
    1,353,616.02x = 1,867,990.41 × 809,774.46
  4. Step 4: Simplify right side
    1,353,616.02x = 1,512,650,925,542.93
  5. Step 5: Solve for x
    x = 1,512,650,925,542.93/1,353,616.02
  6. Step 6: Final answer
    x = 1,117,488.94

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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.