Home / 1,158,356.75-1,597,584.51-815,328.23

Finding the Fourth Proportional to 1,158,356.75, 1,597,584.51 and 815,328.23

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Solution

The fourth proportional to 1,158,356.75, 1,597,584.51 and 815,328.23 is: 1,124,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,356.75 : 1,597,584.51 = 815,328.23 : x
  2. Step 2: Convert to fraction form
    1,158,356.75/1,597,584.51 = 815,328.23/x
  3. Step 3: Cross multiply
    1,158,356.75x = 1,597,584.51 × 815,328.23
  4. Step 4: Simplify right side
    1,158,356.75x = 1,302,555,742,825.79
  5. Step 5: Solve for x
    x = 1,302,555,742,825.79/1,158,356.75
  6. Step 6: Final answer
    x = 1,124,485.83

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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.