Home / 1,585,345.37-2,378,265.91-520,145.15

Finding the Fourth Proportional to 1,585,345.37, 2,378,265.91 and 520,145.15

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Solution

The fourth proportional to 1,585,345.37, 2,378,265.91 and 520,145.15 is: 780,299.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,345.37 : 2,378,265.91 = 520,145.15 : x
  2. Step 2: Convert to fraction form
    1,585,345.37/2,378,265.91 = 520,145.15/x
  3. Step 3: Cross multiply
    1,585,345.37x = 2,378,265.91 × 520,145.15
  4. Step 4: Simplify right side
    1,585,345.37x = 1,237,043,465,305.14
  5. Step 5: Solve for x
    x = 1,237,043,465,305.14/1,585,345.37
  6. Step 6: Final answer
    x = 780,299.04

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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.