Home / 1,432,882.98-1,977,378.51-788,289.33

Finding the Fourth Proportional to 1,432,882.98, 1,977,378.51 and 788,289.33

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Solution

The fourth proportional to 1,432,882.98, 1,977,378.51 and 788,289.33 is: 1,087,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,882.98 : 1,977,378.51 = 788,289.33 : x
  2. Step 2: Convert to fraction form
    1,432,882.98/1,977,378.51 = 788,289.33/x
  3. Step 3: Cross multiply
    1,432,882.98x = 1,977,378.51 × 788,289.33
  4. Step 4: Simplify right side
    1,432,882.98x = 1,558,746,380,804.30
  5. Step 5: Solve for x
    x = 1,558,746,380,804.30/1,432,882.98
  6. Step 6: Final answer
    x = 1,087,839.27

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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.