Home / 1,724,398.75-2,379,670.98-999,666.64

Finding the Fourth Proportional to 1,724,398.75, 2,379,670.98 and 999,666.64

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Solution

The fourth proportional to 1,724,398.75, 2,379,670.98 and 999,666.64 is: 1,379,540.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,398.75 : 2,379,670.98 = 999,666.64 : x
  2. Step 2: Convert to fraction form
    1,724,398.75/2,379,670.98 = 999,666.64/x
  3. Step 3: Cross multiply
    1,724,398.75x = 2,379,670.98 × 999,666.64
  4. Step 4: Simplify right side
    1,724,398.75x = 2,378,877,692,882.11
  5. Step 5: Solve for x
    x = 2,378,877,692,882.11/1,724,398.75
  6. Step 6: Final answer
    x = 1,379,540.37

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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.