Home / 1,313,298.65-1,812,633.95-829,556.12

Finding the Fourth Proportional to 1,313,298.65, 1,812,633.95 and 829,556.12

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Solution

The fourth proportional to 1,313,298.65, 1,812,633.95 and 829,556.12 is: 1,144,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,298.65 : 1,812,633.95 = 829,556.12 : x
  2. Step 2: Convert to fraction form
    1,313,298.65/1,812,633.95 = 829,556.12/x
  3. Step 3: Cross multiply
    1,313,298.65x = 1,812,633.95 × 829,556.12
  4. Step 4: Simplify right side
    1,313,298.65x = 1,503,681,593,147.75
  5. Step 5: Solve for x
    x = 1,503,681,593,147.75/1,313,298.65
  6. Step 6: Final answer
    x = 1,144,965.46

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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.