Home / 1,109,672.04-1,529,953.22-905,515.58

Finding the Fourth Proportional to 1,109,672.04, 1,529,953.22 and 905,515.58

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Solution

The fourth proportional to 1,109,672.04, 1,529,953.22 and 905,515.58 is: 1,248,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,672.04 : 1,529,953.22 = 905,515.58 : x
  2. Step 2: Convert to fraction form
    1,109,672.04/1,529,953.22 = 905,515.58/x
  3. Step 3: Cross multiply
    1,109,672.04x = 1,529,953.22 × 905,515.58
  4. Step 4: Simplify right side
    1,109,672.04x = 1,385,396,477,381.17
  5. Step 5: Solve for x
    x = 1,385,396,477,381.17/1,109,672.04
  6. Step 6: Final answer
    x = 1,248,473.81

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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.