Home / 1,438,668.32-1,985,362.45-794,088.68

Finding the Fourth Proportional to 1,438,668.32, 1,985,362.45 and 794,088.68

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Solution

The fourth proportional to 1,438,668.32, 1,985,362.45 and 794,088.68 is: 1,095,842.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,668.32 : 1,985,362.45 = 794,088.68 : x
  2. Step 2: Convert to fraction form
    1,438,668.32/1,985,362.45 = 794,088.68/x
  3. Step 3: Cross multiply
    1,438,668.32x = 1,985,362.45 × 794,088.68
  4. Step 4: Simplify right side
    1,438,668.32x = 1,576,553,835,330.03
  5. Step 5: Solve for x
    x = 1,576,553,835,330.03/1,438,668.32
  6. Step 6: Final answer
    x = 1,095,842.47

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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.