Home / 908,145.60-1,362,218.40-839,911.20

Finding the Fourth Proportional to 908,145.60, 1,362,218.40 and 839,911.20

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Solution

The fourth proportional to 908,145.60, 1,362,218.40 and 839,911.20 is: 1,259,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,145.60 : 1,362,218.40 = 839,911.20 : x
  2. Step 2: Convert to fraction form
    908,145.60/1,362,218.40 = 839,911.20/x
  3. Step 3: Cross multiply
    908,145.60x = 1,362,218.40 × 839,911.20
  4. Step 4: Simplify right side
    908,145.60x = 1,144,142,491,006.08
  5. Step 5: Solve for x
    x = 1,144,142,491,006.08/908,145.60
  6. Step 6: Final answer
    x = 1,259,866.80

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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.