Home / 1,090,697.67-1,636,793.91-380,725.83

Finding the Fourth Proportional to 1,090,697.67, 1,636,793.91 and 380,725.83

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Solution

The fourth proportional to 1,090,697.67, 1,636,793.91 and 380,725.83 is: 571,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,697.67 : 1,636,793.91 = 380,725.83 : x
  2. Step 2: Convert to fraction form
    1,090,697.67/1,636,793.91 = 380,725.83/x
  3. Step 3: Cross multiply
    1,090,697.67x = 1,636,793.91 × 380,725.83
  4. Step 4: Simplify right side
    1,090,697.67x = 623,169,719,923.70
  5. Step 5: Solve for x
    x = 623,169,719,923.70/1,090,697.67
  6. Step 6: Final answer
    x = 571,349.64

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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.