Home / 1,158,357.75-1,597,585.89-815,329.23

Finding the Fourth Proportional to 1,158,357.75, 1,597,585.89 and 815,329.23

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Solution

The fourth proportional to 1,158,357.75, 1,597,585.89 and 815,329.23 is: 1,124,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,357.75 : 1,597,585.89 = 815,329.23 : x
  2. Step 2: Convert to fraction form
    1,158,357.75/1,597,585.89 = 815,329.23/x
  3. Step 3: Cross multiply
    1,158,357.75x = 1,597,585.89 × 815,329.23
  4. Step 4: Simplify right side
    1,158,357.75x = 1,302,558,473,552.56
  5. Step 5: Solve for x
    x = 1,302,558,473,552.56/1,158,357.75
  6. Step 6: Final answer
    x = 1,124,487.21

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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.