Home / 1,208,424.45-1,667,669.63-692,278.09

Finding the Fourth Proportional to 1,208,424.45, 1,667,669.63 and 692,278.09

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Solution

The fourth proportional to 1,208,424.45, 1,667,669.63 and 692,278.09 is: 955,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,424.45 : 1,667,669.63 = 692,278.09 : x
  2. Step 2: Convert to fraction form
    1,208,424.45/1,667,669.63 = 692,278.09/x
  3. Step 3: Cross multiply
    1,208,424.45x = 1,667,669.63 × 692,278.09
  4. Step 4: Simplify right side
    1,208,424.45x = 1,154,491,146,207.41
  5. Step 5: Solve for x
    x = 1,154,491,146,207.41/1,208,424.45
  6. Step 6: Final answer
    x = 955,368.91

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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.