Home / 1,315,568.96-1,973,353.51-318,296.96

Finding the Fourth Proportional to 1,315,568.96, 1,973,353.51 and 318,296.96

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Solution

The fourth proportional to 1,315,568.96, 1,973,353.51 and 318,296.96 is: 477,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,568.96 : 1,973,353.51 = 318,296.96 : x
  2. Step 2: Convert to fraction form
    1,315,568.96/1,973,353.51 = 318,296.96/x
  3. Step 3: Cross multiply
    1,315,568.96x = 1,973,353.51 × 318,296.96
  4. Step 4: Simplify right side
    1,315,568.96x = 628,112,412,575.82
  5. Step 5: Solve for x
    x = 628,112,412,575.82/1,315,568.96
  6. Step 6: Final answer
    x = 477,445.45

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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.