Home / 1,432,880.98-1,977,375.75-788,287.33

Finding the Fourth Proportional to 1,432,880.98, 1,977,375.75 and 788,287.33

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Solution

The fourth proportional to 1,432,880.98, 1,977,375.75 and 788,287.33 is: 1,087,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,880.98 : 1,977,375.75 = 788,287.33 : x
  2. Step 2: Convert to fraction form
    1,432,880.98/1,977,375.75 = 788,287.33/x
  3. Step 3: Cross multiply
    1,432,880.98x = 1,977,375.75 × 788,287.33
  4. Step 4: Simplify right side
    1,432,880.98x = 1,558,740,250,374.25
  5. Step 5: Solve for x
    x = 1,558,740,250,374.25/1,432,880.98
  6. Step 6: Final answer
    x = 1,087,836.51

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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.