Home / 1,315,769.38-1,816,101.95-858,025.42

Finding the Fourth Proportional to 1,315,769.38, 1,816,101.95 and 858,025.42

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Solution

The fourth proportional to 1,315,769.38, 1,816,101.95 and 858,025.42 is: 1,184,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,769.38 : 1,816,101.95 = 858,025.42 : x
  2. Step 2: Convert to fraction form
    1,315,769.38/1,816,101.95 = 858,025.42/x
  3. Step 3: Cross multiply
    1,315,769.38x = 1,816,101.95 × 858,025.42
  4. Step 4: Simplify right side
    1,315,769.38x = 1,558,261,625,040.93
  5. Step 5: Solve for x
    x = 1,558,261,625,040.93/1,315,769.38
  6. Step 6: Final answer
    x = 1,184,296.93

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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.