Home / 1,143,756.20-1,715,646.61-345,044.66

Finding the Fourth Proportional to 1,143,756.20, 1,715,646.61 and 345,044.66

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Solution

The fourth proportional to 1,143,756.20, 1,715,646.61 and 345,044.66 is: 517,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,756.20 : 1,715,646.61 = 345,044.66 : x
  2. Step 2: Convert to fraction form
    1,143,756.20/1,715,646.61 = 345,044.66/x
  3. Step 3: Cross multiply
    1,143,756.20x = 1,715,646.61 × 345,044.66
  4. Step 4: Simplify right side
    1,143,756.20x = 591,974,701,227.60
  5. Step 5: Solve for x
    x = 591,974,701,227.60/1,143,756.20
  6. Step 6: Final answer
    x = 517,570.70

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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.