Home / 1,315,037.20-1,971,097.80-516,053.20

Finding the Fourth Proportional to 1,315,037.20, 1,971,097.80 and 516,053.20

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Solution

The fourth proportional to 1,315,037.20, 1,971,097.80 and 516,053.20 is: 773,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,037.20 : 1,971,097.80 = 516,053.20 : x
  2. Step 2: Convert to fraction form
    1,315,037.20/1,971,097.80 = 516,053.20/x
  3. Step 3: Cross multiply
    1,315,037.20x = 1,971,097.80 × 516,053.20
  4. Step 4: Simplify right side
    1,315,037.20x = 1,017,191,327,202.96
  5. Step 5: Solve for x
    x = 1,017,191,327,202.96/1,315,037.20
  6. Step 6: Final answer
    x = 773,507.64

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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.