Home / 1,230,938.20-1,844,564.10-1,042,931.80

Finding the Fourth Proportional to 1,230,938.20, 1,844,564.10 and 1,042,931.80

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Solution

The fourth proportional to 1,230,938.20, 1,844,564.10 and 1,042,931.80 is: 1,562,836.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,938.20 : 1,844,564.10 = 1,042,931.80 : x
  2. Step 2: Convert to fraction form
    1,230,938.20/1,844,564.10 = 1,042,931.80/x
  3. Step 3: Cross multiply
    1,230,938.20x = 1,844,564.10 × 1,042,931.80
  4. Step 4: Simplify right side
    1,230,938.20x = 1,923,754,557,028.38
  5. Step 5: Solve for x
    x = 1,923,754,557,028.38/1,230,938.20
  6. Step 6: Final answer
    x = 1,562,836.02

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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.