Home / 1,328,967.90-1,833,857.42-740,222.27

Finding the Fourth Proportional to 1,328,967.90, 1,833,857.42 and 740,222.27

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Solution

The fourth proportional to 1,328,967.90, 1,833,857.42 and 740,222.27 is: 1,021,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,967.90 : 1,833,857.42 = 740,222.27 : x
  2. Step 2: Convert to fraction form
    1,328,967.90/1,833,857.42 = 740,222.27/x
  3. Step 3: Cross multiply
    1,328,967.90x = 1,833,857.42 × 740,222.27
  4. Step 4: Simplify right side
    1,328,967.90x = 1,357,462,106,137.31
  5. Step 5: Solve for x
    x = 1,357,462,106,137.31/1,328,967.90
  6. Step 6: Final answer
    x = 1,021,440.85

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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.