Home / 1,021,380.28-1,409,450.79-585,775.16

Finding the Fourth Proportional to 1,021,380.28, 1,409,450.79 and 585,775.16

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Solution

The fourth proportional to 1,021,380.28, 1,409,450.79 and 585,775.16 is: 808,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,380.28 : 1,409,450.79 = 585,775.16 : x
  2. Step 2: Convert to fraction form
    1,021,380.28/1,409,450.79 = 585,775.16/x
  3. Step 3: Cross multiply
    1,021,380.28x = 1,409,450.79 × 585,775.16
  4. Step 4: Simplify right side
    1,021,380.28x = 825,621,262,024.38
  5. Step 5: Solve for x
    x = 825,621,262,024.38/1,021,380.28
  6. Step 6: Final answer
    x = 808,338.75

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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.