Home / 1,585,120.80-2,377,597.60-520,022.72

Finding the Fourth Proportional to 1,585,120.80, 2,377,597.60 and 520,022.72

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Solution

The fourth proportional to 1,585,120.80, 2,377,597.60 and 520,022.72 is: 780,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,120.80 : 2,377,597.60 = 520,022.72 : x
  2. Step 2: Convert to fraction form
    1,585,120.80/2,377,597.60 = 520,022.72/x
  3. Step 3: Cross multiply
    1,585,120.80x = 2,377,597.60 × 520,022.72
  4. Step 4: Simplify right side
    1,585,120.80x = 1,236,404,771,017.47
  5. Step 5: Solve for x
    x = 1,236,404,771,017.47/1,585,120.80
  6. Step 6: Final answer
    x = 780,006.65

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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.