Home / 1,139,110.17-1,709,562.99-499,855.15

Finding the Fourth Proportional to 1,139,110.17, 1,709,562.99 and 499,855.15

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Solution

The fourth proportional to 1,139,110.17, 1,709,562.99 and 499,855.15 is: 750,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,110.17 : 1,709,562.99 = 499,855.15 : x
  2. Step 2: Convert to fraction form
    1,139,110.17/1,709,562.99 = 499,855.15/x
  3. Step 3: Cross multiply
    1,139,110.17x = 1,709,562.99 × 499,855.15
  4. Step 4: Simplify right side
    1,139,110.17x = 854,533,864,800.90
  5. Step 5: Solve for x
    x = 854,533,864,800.90/1,139,110.17
  6. Step 6: Final answer
    x = 750,176.66

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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.