Home / 1,243,339.69-1,865,009.54-401,891.44

Finding the Fourth Proportional to 1,243,339.69, 1,865,009.54 and 401,891.44

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Solution

The fourth proportional to 1,243,339.69, 1,865,009.54 and 401,891.44 is: 602,837.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,339.69 : 1,865,009.54 = 401,891.44 : x
  2. Step 2: Convert to fraction form
    1,243,339.69/1,865,009.54 = 401,891.44/x
  3. Step 3: Cross multiply
    1,243,339.69x = 1,865,009.54 × 401,891.44
  4. Step 4: Simplify right side
    1,243,339.69x = 749,531,362,972.36
  5. Step 5: Solve for x
    x = 749,531,362,972.36/1,243,339.69
  6. Step 6: Final answer
    x = 602,837.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.