Home / 1,802,786.40-2,487,845.76-997,970.40

Finding the Fourth Proportional to 1,802,786.40, 2,487,845.76 and 997,970.40

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Solution

The fourth proportional to 1,802,786.40, 2,487,845.76 and 997,970.40 is: 1,377,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,786.40 : 2,487,845.76 = 997,970.40 : x
  2. Step 2: Convert to fraction form
    1,802,786.40/2,487,845.76 = 997,970.40/x
  3. Step 3: Cross multiply
    1,802,786.40x = 2,487,845.76 × 997,970.40
  4. Step 4: Simplify right side
    1,802,786.40x = 2,482,796,428,245.50
  5. Step 5: Solve for x
    x = 2,482,796,428,245.50/1,802,786.40
  6. Step 6: Final answer
    x = 1,377,199.44

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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.