Home / 1,507,221.60-2,260,832.40-385,231.20

Finding the Fourth Proportional to 1,507,221.60, 2,260,832.40 and 385,231.20

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Solution

The fourth proportional to 1,507,221.60, 2,260,832.40 and 385,231.20 is: 577,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,221.60 : 2,260,832.40 = 385,231.20 : x
  2. Step 2: Convert to fraction form
    1,507,221.60/2,260,832.40 = 385,231.20/x
  3. Step 3: Cross multiply
    1,507,221.60x = 2,260,832.40 × 385,231.20
  4. Step 4: Simplify right side
    1,507,221.60x = 870,943,178,450.88
  5. Step 5: Solve for x
    x = 870,943,178,450.88/1,507,221.60
  6. Step 6: Final answer
    x = 577,846.80

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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.