Home / 1,039,764.72-1,559,795.64-320,167.20

Finding the Fourth Proportional to 1,039,764.72, 1,559,795.64 and 320,167.20

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Solution

The fourth proportional to 1,039,764.72, 1,559,795.64 and 320,167.20 is: 480,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,764.72 : 1,559,795.64 = 320,167.20 : x
  2. Step 2: Convert to fraction form
    1,039,764.72/1,559,795.64 = 320,167.20/x
  3. Step 3: Cross multiply
    1,039,764.72x = 1,559,795.64 × 320,167.20
  4. Step 4: Simplify right side
    1,039,764.72x = 499,395,402,631.01
  5. Step 5: Solve for x
    x = 499,395,402,631.01/1,039,764.72
  6. Step 6: Final answer
    x = 480,296.55

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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.