Home / 1,090,108.86-1,635,425.01-342,154.86

Finding the Fourth Proportional to 1,090,108.86, 1,635,425.01 and 342,154.86

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Solution

The fourth proportional to 1,090,108.86, 1,635,425.01 and 342,154.86 is: 513,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,108.86 : 1,635,425.01 = 342,154.86 : x
  2. Step 2: Convert to fraction form
    1,090,108.86/1,635,425.01 = 342,154.86/x
  3. Step 3: Cross multiply
    1,090,108.86x = 1,635,425.01 × 342,154.86
  4. Step 4: Simplify right side
    1,090,108.86x = 559,568,615,337.05
  5. Step 5: Solve for x
    x = 559,568,615,337.05/1,090,108.86
  6. Step 6: Final answer
    x = 513,314.44

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Double scale
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1.5x scale

Why These Related Problems?

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