Home / 1,015,556.62-1,401,416.07-585,811.12

Finding the Fourth Proportional to 1,015,556.62, 1,401,416.07 and 585,811.12

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Solution

The fourth proportional to 1,015,556.62, 1,401,416.07 and 585,811.12 is: 808,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,556.62 : 1,401,416.07 = 585,811.12 : x
  2. Step 2: Convert to fraction form
    1,015,556.62/1,401,416.07 = 585,811.12/x
  3. Step 3: Cross multiply
    1,015,556.62x = 1,401,416.07 × 585,811.12
  4. Step 4: Simplify right side
    1,015,556.62x = 820,965,117,552.70
  5. Step 5: Solve for x
    x = 820,965,117,552.70/1,015,556.62
  6. Step 6: Final answer
    x = 808,389.31

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Double scale
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1.5x scale

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.