Home / 1,343,443.90-2,015,431.62-383,908.18

Finding the Fourth Proportional to 1,343,443.90, 2,015,431.62 and 383,908.18

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Solution

The fourth proportional to 1,343,443.90, 2,015,431.62 and 383,908.18 is: 575,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,443.90 : 2,015,431.62 = 383,908.18 : x
  2. Step 2: Convert to fraction form
    1,343,443.90/2,015,431.62 = 383,908.18/x
  3. Step 3: Cross multiply
    1,343,443.90x = 2,015,431.62 × 383,908.18
  4. Step 4: Simplify right side
    1,343,443.90x = 773,740,685,148.65
  5. Step 5: Solve for x
    x = 773,740,685,148.65/1,343,443.90
  6. Step 6: Final answer
    x = 575,938.22

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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.