Home / 1,438,613-1,985,285.94-802,709

Finding the Fourth Proportional to 1,438,613, 1,985,285.94 and 802,709

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Solution

The fourth proportional to 1,438,613, 1,985,285.94 and 802,709 is: 1,107,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,613 : 1,985,285.94 = 802,709 : x
  2. Step 2: Convert to fraction form
    1,438,613/1,985,285.94 = 802,709/x
  3. Step 3: Cross multiply
    1,438,613x = 1,985,285.94 × 802,709
  4. Step 4: Simplify right side
    1,438,613x = 1,593,606,891,611.46
  5. Step 5: Solve for x
    x = 1,593,606,891,611.46/1,438,613
  6. Step 6: Final answer
    x = 1,107,738.42

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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.