Home / 1,108,808.70-1,662,727.05-509,570.70

Finding the Fourth Proportional to 1,108,808.70, 1,662,727.05 and 509,570.70

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Solution

The fourth proportional to 1,108,808.70, 1,662,727.05 and 509,570.70 is: 764,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,808.70 : 1,662,727.05 = 509,570.70 : x
  2. Step 2: Convert to fraction form
    1,108,808.70/1,662,727.05 = 509,570.70/x
  3. Step 3: Cross multiply
    1,108,808.70x = 1,662,727.05 × 509,570.70
  4. Step 4: Simplify right side
    1,108,808.70x = 847,276,986,777.44
  5. Step 5: Solve for x
    x = 847,276,986,777.44/1,108,808.70
  6. Step 6: Final answer
    x = 764,132.70

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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.