Home / 1,243,448.82-1,715,958.95-692,152.55

Finding the Fourth Proportional to 1,243,448.82, 1,715,958.95 and 692,152.55

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Solution

The fourth proportional to 1,243,448.82, 1,715,958.95 and 692,152.55 is: 955,170.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,448.82 : 1,715,958.95 = 692,152.55 : x
  2. Step 2: Convert to fraction form
    1,243,448.82/1,715,958.95 = 692,152.55/x
  3. Step 3: Cross multiply
    1,243,448.82x = 1,715,958.95 × 692,152.55
  4. Step 4: Simplify right side
    1,243,448.82x = 1,187,705,362,937.82
  5. Step 5: Solve for x
    x = 1,187,705,362,937.82/1,243,448.82
  6. Step 6: Final answer
    x = 955,170.28

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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.