Home / 1,395,975.20-2,093,962.80-917,678.30

Finding the Fourth Proportional to 1,395,975.20, 2,093,962.80 and 917,678.30

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Solution

The fourth proportional to 1,395,975.20, 2,093,962.80 and 917,678.30 is: 1,376,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,975.20 : 2,093,962.80 = 917,678.30 : x
  2. Step 2: Convert to fraction form
    1,395,975.20/2,093,962.80 = 917,678.30/x
  3. Step 3: Cross multiply
    1,395,975.20x = 2,093,962.80 × 917,678.30
  4. Step 4: Simplify right side
    1,395,975.20x = 1,921,584,222,567.24
  5. Step 5: Solve for x
    x = 1,921,584,222,567.24/1,395,975.20
  6. Step 6: Final answer
    x = 1,376,517.45

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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.