Home / 1,979,631-2,731,898.07-1,074,213

Finding the Fourth Proportional to 1,979,631, 2,731,898.07 and 1,074,213

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Solution

The fourth proportional to 1,979,631, 2,731,898.07 and 1,074,213 is: 1,482,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,631 : 2,731,898.07 = 1,074,213 : x
  2. Step 2: Convert to fraction form
    1,979,631/2,731,898.07 = 1,074,213/x
  3. Step 3: Cross multiply
    1,979,631x = 2,731,898.07 × 1,074,213
  4. Step 4: Simplify right side
    1,979,631x = 2,934,640,421,468.91
  5. Step 5: Solve for x
    x = 2,934,640,421,468.91/1,979,631
  6. Step 6: Final answer
    x = 1,482,417.90

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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.