Home / 1,351,719.48-1,865,298.78-770,857.32

Finding the Fourth Proportional to 1,351,719.48, 1,865,298.78 and 770,857.32

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Solution

The fourth proportional to 1,351,719.48, 1,865,298.78 and 770,857.32 is: 1,063,740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,719.48 : 1,865,298.78 = 770,857.32 : x
  2. Step 2: Convert to fraction form
    1,351,719.48/1,865,298.78 = 770,857.32/x
  3. Step 3: Cross multiply
    1,351,719.48x = 1,865,298.78 × 770,857.32
  4. Step 4: Simplify right side
    1,351,719.48x = 1,437,879,218,550.07
  5. Step 5: Solve for x
    x = 1,437,879,218,550.07/1,351,719.48
  6. Step 6: Final answer
    x = 1,063,740.84

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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.