Home / 1,343,441.90-2,015,428.62-383,906.18

Finding the Fourth Proportional to 1,343,441.90, 2,015,428.62 and 383,906.18

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Solution

The fourth proportional to 1,343,441.90, 2,015,428.62 and 383,906.18 is: 575,935.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,441.90 : 2,015,428.62 = 383,906.18 : x
  2. Step 2: Convert to fraction form
    1,343,441.90/2,015,428.62 = 383,906.18/x
  3. Step 3: Cross multiply
    1,343,441.90x = 2,015,428.62 × 383,906.18
  4. Step 4: Simplify right side
    1,343,441.90x = 773,735,502,566.87
  5. Step 5: Solve for x
    x = 773,735,502,566.87/1,343,441.90
  6. Step 6: Final answer
    x = 575,935.22

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.