Home / 1,020,975.80-1,531,463.70-311,002.70

Finding the Fourth Proportional to 1,020,975.80, 1,531,463.70 and 311,002.70

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Solution

The fourth proportional to 1,020,975.80, 1,531,463.70 and 311,002.70 is: 466,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,975.80 : 1,531,463.70 = 311,002.70 : x
  2. Step 2: Convert to fraction form
    1,020,975.80/1,531,463.70 = 311,002.70/x
  3. Step 3: Cross multiply
    1,020,975.80x = 1,531,463.70 × 311,002.70
  4. Step 4: Simplify right side
    1,020,975.80x = 476,289,345,651.99
  5. Step 5: Solve for x
    x = 476,289,345,651.99/1,020,975.80
  6. Step 6: Final answer
    x = 466,504.05

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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.