Home / 1,585,269.16-2,378,167.80-520,025.20

Finding the Fourth Proportional to 1,585,269.16, 2,378,167.80 and 520,025.20

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Solution

The fourth proportional to 1,585,269.16, 2,378,167.80 and 520,025.20 is: 780,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,269.16 : 2,378,167.80 = 520,025.20 : x
  2. Step 2: Convert to fraction form
    1,585,269.16/2,378,167.80 = 520,025.20/x
  3. Step 3: Cross multiply
    1,585,269.16x = 2,378,167.80 × 520,025.20
  4. Step 4: Simplify right side
    1,585,269.16x = 1,236,707,185,828.56
  5. Step 5: Solve for x
    x = 1,236,707,185,828.56/1,585,269.16
  6. Step 6: Final answer
    x = 780,124.42

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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.