Home / 1,443,141.84-2,164,727.28-644,463.84

Finding the Fourth Proportional to 1,443,141.84, 2,164,727.28 and 644,463.84

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Solution

The fourth proportional to 1,443,141.84, 2,164,727.28 and 644,463.84 is: 966,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,141.84 : 2,164,727.28 = 644,463.84 : x
  2. Step 2: Convert to fraction form
    1,443,141.84/2,164,727.28 = 644,463.84/x
  3. Step 3: Cross multiply
    1,443,141.84x = 2,164,727.28 × 644,463.84
  4. Step 4: Simplify right side
    1,443,141.84x = 1,395,088,455,421.56
  5. Step 5: Solve for x
    x = 1,395,088,455,421.56/1,443,141.84
  6. Step 6: Final answer
    x = 966,702.24

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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.