Home / 1,560,719.21-2,339,482.53-790,790.64

Finding the Fourth Proportional to 1,560,719.21, 2,339,482.53 and 790,790.64

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Solution

The fourth proportional to 1,560,719.21, 2,339,482.53 and 790,790.64 is: 1,185,377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,719.21 : 2,339,482.53 = 790,790.64 : x
  2. Step 2: Convert to fraction form
    1,560,719.21/2,339,482.53 = 790,790.64/x
  3. Step 3: Cross multiply
    1,560,719.21x = 2,339,482.53 × 790,790.64
  4. Step 4: Simplify right side
    1,560,719.21x = 1,850,040,887,167.52
  5. Step 5: Solve for x
    x = 1,850,040,887,167.52/1,560,719.21
  6. Step 6: Final answer
    x = 1,185,377.15

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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.