Home / 1,090,624.85-1,635,199.16-380,265.38

Finding the Fourth Proportional to 1,090,624.85, 1,635,199.16 and 380,265.38

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Solution

The fourth proportional to 1,090,624.85, 1,635,199.16 and 380,265.38 is: 570,140.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,624.85 : 1,635,199.16 = 380,265.38 : x
  2. Step 2: Convert to fraction form
    1,090,624.85/1,635,199.16 = 380,265.38/x
  3. Step 3: Cross multiply
    1,090,624.85x = 1,635,199.16 × 380,265.38
  4. Step 4: Simplify right side
    1,090,624.85x = 621,809,619,875.76
  5. Step 5: Solve for x
    x = 621,809,619,875.76/1,090,624.85
  6. Step 6: Final answer
    x = 570,140.71

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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.