Home / 1,572,309.70-2,358,464.55-1,040,431.30

Finding the Fourth Proportional to 1,572,309.70, 2,358,464.55 and 1,040,431.30

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Solution

The fourth proportional to 1,572,309.70, 2,358,464.55 and 1,040,431.30 is: 1,560,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,309.70 : 2,358,464.55 = 1,040,431.30 : x
  2. Step 2: Convert to fraction form
    1,572,309.70/2,358,464.55 = 1,040,431.30/x
  3. Step 3: Cross multiply
    1,572,309.70x = 2,358,464.55 × 1,040,431.30
  4. Step 4: Simplify right side
    1,572,309.70x = 2,453,820,337,760.42
  5. Step 5: Solve for x
    x = 2,453,820,337,760.42/1,572,309.70
  6. Step 6: Final answer
    x = 1,560,646.95

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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.