Home / 1,689,148.77-2,330,996.50-914,773.32

Finding the Fourth Proportional to 1,689,148.77, 2,330,996.50 and 914,773.32

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Solution

The fourth proportional to 1,689,148.77, 2,330,996.50 and 914,773.32 is: 1,262,371.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,148.77 : 2,330,996.50 = 914,773.32 : x
  2. Step 2: Convert to fraction form
    1,689,148.77/2,330,996.50 = 914,773.32/x
  3. Step 3: Cross multiply
    1,689,148.77x = 2,330,996.50 × 914,773.32
  4. Step 4: Simplify right side
    1,689,148.77x = 2,132,333,415,327.80
  5. Step 5: Solve for x
    x = 2,132,333,415,327.80/1,689,148.77
  6. Step 6: Final answer
    x = 1,262,371.59

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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.