Home / 1,021,380.78-1,409,451.48-585,775.66

Finding the Fourth Proportional to 1,021,380.78, 1,409,451.48 and 585,775.66

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Solution

The fourth proportional to 1,021,380.78, 1,409,451.48 and 585,775.66 is: 808,339.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,380.78 : 1,409,451.48 = 585,775.66 : x
  2. Step 2: Convert to fraction form
    1,021,380.78/1,409,451.48 = 585,775.66/x
  3. Step 3: Cross multiply
    1,021,380.78x = 1,409,451.48 × 585,775.66
  4. Step 4: Simplify right side
    1,021,380.78x = 825,622,370,934.98
  5. Step 5: Solve for x
    x = 825,622,370,934.98/1,021,380.78
  6. Step 6: Final answer
    x = 808,339.44

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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.