Home / 1,432,877.98-1,977,371.61-788,284.33

Finding the Fourth Proportional to 1,432,877.98, 1,977,371.61 and 788,284.33

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Solution

The fourth proportional to 1,432,877.98, 1,977,371.61 and 788,284.33 is: 1,087,832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,877.98 : 1,977,371.61 = 788,284.33 : x
  2. Step 2: Convert to fraction form
    1,432,877.98/1,977,371.61 = 788,284.33/x
  3. Step 3: Cross multiply
    1,432,877.98x = 1,977,371.61 × 788,284.33
  4. Step 4: Simplify right side
    1,432,877.98x = 1,558,731,053,520.30
  5. Step 5: Solve for x
    x = 1,558,731,053,520.30/1,432,877.98
  6. Step 6: Final answer
    x = 1,087,832.38

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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.