Home / 1,001,472.51-1,502,336.09-318,115.58

Finding the Fourth Proportional to 1,001,472.51, 1,502,336.09 and 318,115.58

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Solution

The fourth proportional to 1,001,472.51, 1,502,336.09 and 318,115.58 is: 477,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,472.51 : 1,502,336.09 = 318,115.58 : x
  2. Step 2: Convert to fraction form
    1,001,472.51/1,502,336.09 = 318,115.58/x
  3. Step 3: Cross multiply
    1,001,472.51x = 1,502,336.09 × 318,115.58
  4. Step 4: Simplify right side
    1,001,472.51x = 477,916,507,523.02
  5. Step 5: Solve for x
    x = 477,916,507,523.02/1,001,472.51
  6. Step 6: Final answer
    x = 477,213.81

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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.