Home / 1,090,777.87-1,636,914.14-380,805.91

Finding the Fourth Proportional to 1,090,777.87, 1,636,914.14 and 380,805.91

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Solution

The fourth proportional to 1,090,777.87, 1,636,914.14 and 380,805.91 is: 571,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,777.87 : 1,636,914.14 = 380,805.91 : x
  2. Step 2: Convert to fraction form
    1,090,777.87/1,636,914.14 = 380,805.91/x
  3. Step 3: Cross multiply
    1,090,777.87x = 1,636,914.14 × 380,805.91
  4. Step 4: Simplify right side
    1,090,777.87x = 623,346,575,177.29
  5. Step 5: Solve for x
    x = 623,346,575,177.29/1,090,777.87
  6. Step 6: Final answer
    x = 571,469.77

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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.