Home / 1,813,493.32-2,502,620.76-997,679.49

Finding the Fourth Proportional to 1,813,493.32, 2,502,620.76 and 997,679.49

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Solution

The fourth proportional to 1,813,493.32, 2,502,620.76 and 997,679.49 is: 1,376,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,493.32 : 2,502,620.76 = 997,679.49 : x
  2. Step 2: Convert to fraction form
    1,813,493.32/2,502,620.76 = 997,679.49/x
  3. Step 3: Cross multiply
    1,813,493.32x = 2,502,620.76 × 997,679.49
  4. Step 4: Simplify right side
    1,813,493.32x = 2,496,813,403,500.21
  5. Step 5: Solve for x
    x = 2,496,813,403,500.21/1,813,493.32
  6. Step 6: Final answer
    x = 1,376,797.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.