Home / 1,357,505.20-2,036,700.69-647,441.02

Finding the Fourth Proportional to 1,357,505.20, 2,036,700.69 and 647,441.02

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Solution

The fourth proportional to 1,357,505.20, 2,036,700.69 and 647,441.02 is: 971,372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,505.20 : 2,036,700.69 = 647,441.02 : x
  2. Step 2: Convert to fraction form
    1,357,505.20/2,036,700.69 = 647,441.02/x
  3. Step 3: Cross multiply
    1,357,505.20x = 2,036,700.69 × 647,441.02
  4. Step 4: Simplify right side
    1,357,505.20x = 1,318,643,572,168.30
  5. Step 5: Solve for x
    x = 1,318,643,572,168.30/1,357,505.20
  6. Step 6: Final answer
    x = 971,372.76

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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.