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Finding the Fourth Proportional to 1,233,284.07, 1,849,905.71 and 368,721.01

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Solution

The fourth proportional to 1,233,284.07, 1,849,905.71 and 368,721.01 is: 553,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,284.07 : 1,849,905.71 = 368,721.01 : x
  2. Step 2: Convert to fraction form
    1,233,284.07/1,849,905.71 = 368,721.01/x
  3. Step 3: Cross multiply
    1,233,284.07x = 1,849,905.71 × 368,721.01
  4. Step 4: Simplify right side
    1,233,284.07x = 682,099,105,721.50
  5. Step 5: Solve for x
    x = 682,099,105,721.50/1,233,284.07
  6. Step 6: Final answer
    x = 553,075.42

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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.