Home / 1,810,317-2,715,825.18-688,298.76

Finding the Fourth Proportional to 1,810,317, 2,715,825.18 and 688,298.76

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Solution

The fourth proportional to 1,810,317, 2,715,825.18 and 688,298.76 is: 1,032,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,317 : 2,715,825.18 = 688,298.76 : x
  2. Step 2: Convert to fraction form
    1,810,317/2,715,825.18 = 688,298.76/x
  3. Step 3: Cross multiply
    1,810,317x = 2,715,825.18 × 688,298.76
  4. Step 4: Simplify right side
    1,810,317x = 1,869,299,103,770.78
  5. Step 5: Solve for x
    x = 1,869,299,103,770.78/1,810,317
  6. Step 6: Final answer
    x = 1,032,581.09

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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.