Home / 1,487,079.84-2,229,365.76-644,997.36

Finding the Fourth Proportional to 1,487,079.84, 2,229,365.76 and 644,997.36

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Solution

The fourth proportional to 1,487,079.84, 2,229,365.76 and 644,997.36 is: 966,952.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,079.84 : 2,229,365.76 = 644,997.36 : x
  2. Step 2: Convert to fraction form
    1,487,079.84/2,229,365.76 = 644,997.36/x
  3. Step 3: Cross multiply
    1,487,079.84x = 2,229,365.76 × 644,997.36
  4. Step 4: Simplify right side
    1,487,079.84x = 1,437,935,029,674.39
  5. Step 5: Solve for x
    x = 1,437,935,029,674.39/1,487,079.84
  6. Step 6: Final answer
    x = 966,952.14

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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.