Home / 1,119,798.60-1,679,697.90-278,350.35

Finding the Fourth Proportional to 1,119,798.60, 1,679,697.90 and 278,350.35

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Solution

The fourth proportional to 1,119,798.60, 1,679,697.90 and 278,350.35 is: 417,525.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,798.60 : 1,679,697.90 = 278,350.35 : x
  2. Step 2: Convert to fraction form
    1,119,798.60/1,679,697.90 = 278,350.35/x
  3. Step 3: Cross multiply
    1,119,798.60x = 1,679,697.90 × 278,350.35
  4. Step 4: Simplify right side
    1,119,798.60x = 467,544,498,359.27
  5. Step 5: Solve for x
    x = 467,544,498,359.27/1,119,798.60
  6. Step 6: Final answer
    x = 417,525.53

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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.