Home / 1,208,837.22-1,668,199.19-665,014.35

Finding the Fourth Proportional to 1,208,837.22, 1,668,199.19 and 665,014.35

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Solution

The fourth proportional to 1,208,837.22, 1,668,199.19 and 665,014.35 is: 917,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,837.22 : 1,668,199.19 = 665,014.35 : x
  2. Step 2: Convert to fraction form
    1,208,837.22/1,668,199.19 = 665,014.35/x
  3. Step 3: Cross multiply
    1,208,837.22x = 1,668,199.19 × 665,014.35
  4. Step 4: Simplify right side
    1,208,837.22x = 1,109,376,400,008.38
  5. Step 5: Solve for x
    x = 1,109,376,400,008.38/1,208,837.22
  6. Step 6: Final answer
    x = 917,721.91

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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.