Home / 908,147.10-1,362,220.65-839,912.70

Finding the Fourth Proportional to 908,147.10, 1,362,220.65 and 839,912.70

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Solution

The fourth proportional to 908,147.10, 1,362,220.65 and 839,912.70 is: 1,259,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,147.10 : 1,362,220.65 = 839,912.70 : x
  2. Step 2: Convert to fraction form
    908,147.10/1,362,220.65 = 839,912.70/x
  3. Step 3: Cross multiply
    908,147.10x = 1,362,220.65 × 839,912.70
  4. Step 4: Simplify right side
    908,147.10x = 1,144,146,424,137.25
  5. Step 5: Solve for x
    x = 1,144,146,424,137.25/908,147.10
  6. Step 6: Final answer
    x = 1,259,869.05

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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.