Home / 1,585,118.80-2,377,594.60-520,020.72

Finding the Fourth Proportional to 1,585,118.80, 2,377,594.60 and 520,020.72

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Solution

The fourth proportional to 1,585,118.80, 2,377,594.60 and 520,020.72 is: 780,003.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,118.80 : 2,377,594.60 = 520,020.72 : x
  2. Step 2: Convert to fraction form
    1,585,118.80/2,377,594.60 = 520,020.72/x
  3. Step 3: Cross multiply
    1,585,118.80x = 2,377,594.60 × 520,020.72
  4. Step 4: Simplify right side
    1,585,118.80x = 1,236,398,455,760.11
  5. Step 5: Solve for x
    x = 1,236,398,455,760.11/1,585,118.80
  6. Step 6: Final answer
    x = 780,003.65

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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.