Home / 1,484,141.40-2,226,212.10-686,979.90

Finding the Fourth Proportional to 1,484,141.40, 2,226,212.10 and 686,979.90

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Solution

The fourth proportional to 1,484,141.40, 2,226,212.10 and 686,979.90 is: 1,030,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,141.40 : 2,226,212.10 = 686,979.90 : x
  2. Step 2: Convert to fraction form
    1,484,141.40/2,226,212.10 = 686,979.90/x
  3. Step 3: Cross multiply
    1,484,141.40x = 2,226,212.10 × 686,979.90
  4. Step 4: Simplify right side
    1,484,141.40x = 1,529,362,965,836.79
  5. Step 5: Solve for x
    x = 1,529,362,965,836.79/1,484,141.40
  6. Step 6: Final answer
    x = 1,030,469.85

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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.