Home / 1,275,942.99-1,760,841.20-732,178.25

Finding the Fourth Proportional to 1,275,942.99, 1,760,841.20 and 732,178.25

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Solution

The fourth proportional to 1,275,942.99, 1,760,841.20 and 732,178.25 is: 1,010,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,942.99 : 1,760,841.20 = 732,178.25 : x
  2. Step 2: Convert to fraction form
    1,275,942.99/1,760,841.20 = 732,178.25/x
  3. Step 3: Cross multiply
    1,275,942.99x = 1,760,841.20 × 732,178.25
  4. Step 4: Simplify right side
    1,275,942.99x = 1,289,249,621,370.14
  5. Step 5: Solve for x
    x = 1,289,249,621,370.14/1,275,942.99
  6. Step 6: Final answer
    x = 1,010,428.86

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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.