Home / 1,331,492.46-1,837,801.35-821,902.02

Finding the Fourth Proportional to 1,331,492.46, 1,837,801.35 and 821,902.02

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Solution

The fourth proportional to 1,331,492.46, 1,837,801.35 and 821,902.02 is: 1,134,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,492.46 : 1,837,801.35 = 821,902.02 : x
  2. Step 2: Convert to fraction form
    1,331,492.46/1,837,801.35 = 821,902.02/x
  3. Step 3: Cross multiply
    1,331,492.46x = 1,837,801.35 × 821,902.02
  4. Step 4: Simplify right side
    1,331,492.46x = 1,510,492,641,923.73
  5. Step 5: Solve for x
    x = 1,510,492,641,923.73/1,331,492.46
  6. Step 6: Final answer
    x = 1,134,435.75

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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.