Home / 1,380,028.16-2,070,042.08-382,756.16

Finding the Fourth Proportional to 1,380,028.16, 2,070,042.08 and 382,756.16

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Solution

The fourth proportional to 1,380,028.16, 2,070,042.08 and 382,756.16 is: 574,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,028.16 : 2,070,042.08 = 382,756.16 : x
  2. Step 2: Convert to fraction form
    1,380,028.16/2,070,042.08 = 382,756.16/x
  3. Step 3: Cross multiply
    1,380,028.16x = 2,070,042.08 × 382,756.16
  4. Step 4: Simplify right side
    1,380,028.16x = 792,321,357,579.21
  5. Step 5: Solve for x
    x = 792,321,357,579.21/1,380,028.16
  6. Step 6: Final answer
    x = 574,134.20

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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.