Home / 1,259,252.13-1,737,814.83-715,480.11

Finding the Fourth Proportional to 1,259,252.13, 1,737,814.83 and 715,480.11

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Solution

The fourth proportional to 1,259,252.13, 1,737,814.83 and 715,480.11 is: 987,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,252.13 : 1,737,814.83 = 715,480.11 : x
  2. Step 2: Convert to fraction form
    1,259,252.13/1,737,814.83 = 715,480.11/x
  3. Step 3: Cross multiply
    1,259,252.13x = 1,737,814.83 × 715,480.11
  4. Step 4: Simplify right side
    1,259,252.13x = 1,243,371,945,728.03
  5. Step 5: Solve for x
    x = 1,243,371,945,728.03/1,259,252.13
  6. Step 6: Final answer
    x = 987,389.19

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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.