Home / 1,585,113.80-2,377,587.10-520,015.72

Finding the Fourth Proportional to 1,585,113.80, 2,377,587.10 and 520,015.72

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Solution

The fourth proportional to 1,585,113.80, 2,377,587.10 and 520,015.72 is: 779,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,113.80 : 2,377,587.10 = 520,015.72 : x
  2. Step 2: Convert to fraction form
    1,585,113.80/2,377,587.10 = 520,015.72/x
  3. Step 3: Cross multiply
    1,585,113.80x = 2,377,587.10 × 520,015.72
  4. Step 4: Simplify right side
    1,585,113.80x = 1,236,382,667,669.21
  5. Step 5: Solve for x
    x = 1,236,382,667,669.21/1,585,113.80
  6. Step 6: Final answer
    x = 779,996.15

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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.