Home / 1,266,942.36-1,900,537.20-368,391

Finding the Fourth Proportional to 1,266,942.36, 1,900,537.20 and 368,391

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Solution

The fourth proportional to 1,266,942.36, 1,900,537.20 and 368,391 is: 552,622.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,942.36 : 1,900,537.20 = 368,391 : x
  2. Step 2: Convert to fraction form
    1,266,942.36/1,900,537.20 = 368,391/x
  3. Step 3: Cross multiply
    1,266,942.36x = 1,900,537.20 × 368,391
  4. Step 4: Simplify right side
    1,266,942.36x = 700,140,799,645.20
  5. Step 5: Solve for x
    x = 700,140,799,645.20/1,266,942.36
  6. Step 6: Final answer
    x = 552,622.46

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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.