Home / 1,328,893.63-1,833,755.50-740,148.15

Finding the Fourth Proportional to 1,328,893.63, 1,833,755.50 and 740,148.15

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Solution

The fourth proportional to 1,328,893.63, 1,833,755.50 and 740,148.15 is: 1,021,338.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,893.63 : 1,833,755.50 = 740,148.15 : x
  2. Step 2: Convert to fraction form
    1,328,893.63/1,833,755.50 = 740,148.15/x
  3. Step 3: Cross multiply
    1,328,893.63x = 1,833,755.50 × 740,148.15
  4. Step 4: Simplify right side
    1,328,893.63x = 1,357,250,740,185.65
  5. Step 5: Solve for x
    x = 1,357,250,740,185.65/1,328,893.63
  6. Step 6: Final answer
    x = 1,021,338.89

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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.