Home / 1,302,494.07-1,798,319.54-813,209.31

Finding the Fourth Proportional to 1,302,494.07, 1,798,319.54 and 813,209.31

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Solution

The fourth proportional to 1,302,494.07, 1,798,319.54 and 813,209.31 is: 1,122,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,494.07 : 1,798,319.54 = 813,209.31 : x
  2. Step 2: Convert to fraction form
    1,302,494.07/1,798,319.54 = 813,209.31/x
  3. Step 3: Cross multiply
    1,302,494.07x = 1,798,319.54 × 813,209.31
  4. Step 4: Simplify right side
    1,302,494.07x = 1,462,410,192,282.92
  5. Step 5: Solve for x
    x = 1,462,410,192,282.92/1,302,494.07
  6. Step 6: Final answer
    x = 1,122,776.85

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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.