Home / 1,342,538.11-2,013,873.55-383,135.13

Finding the Fourth Proportional to 1,342,538.11, 2,013,873.55 and 383,135.13

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Solution

The fourth proportional to 1,342,538.11, 2,013,873.55 and 383,135.13 is: 574,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,538.11 : 2,013,873.55 = 383,135.13 : x
  2. Step 2: Convert to fraction form
    1,342,538.11/2,013,873.55 = 383,135.13/x
  3. Step 3: Cross multiply
    1,342,538.11x = 2,013,873.55 × 383,135.13
  4. Step 4: Simplify right side
    1,342,538.11x = 771,585,705,580.11
  5. Step 5: Solve for x
    x = 771,585,705,580.11/1,342,538.11
  6. Step 6: Final answer
    x = 574,721.64

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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.