Home / 1,048,151.80-1,572,227.70-289,991.80

Finding the Fourth Proportional to 1,048,151.80, 1,572,227.70 and 289,991.80

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Solution

The fourth proportional to 1,048,151.80, 1,572,227.70 and 289,991.80 is: 434,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,151.80 : 1,572,227.70 = 289,991.80 : x
  2. Step 2: Convert to fraction form
    1,048,151.80/1,572,227.70 = 289,991.80/x
  3. Step 3: Cross multiply
    1,048,151.80x = 1,572,227.70 × 289,991.80
  4. Step 4: Simplify right side
    1,048,151.80x = 455,933,140,732.86
  5. Step 5: Solve for x
    x = 455,933,140,732.86/1,048,151.80
  6. Step 6: Final answer
    x = 434,987.70

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Double scale
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Similar ratio
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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.