Home / 1,159,893.03-1,600,649.04-643,724.82

Finding the Fourth Proportional to 1,159,893.03, 1,600,649.04 and 643,724.82

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Solution

The fourth proportional to 1,159,893.03, 1,600,649.04 and 643,724.82 is: 888,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,893.03 : 1,600,649.04 = 643,724.82 : x
  2. Step 2: Convert to fraction form
    1,159,893.03/1,600,649.04 = 643,724.82/x
  3. Step 3: Cross multiply
    1,159,893.03x = 1,600,649.04 × 643,724.82
  4. Step 4: Simplify right side
    1,159,893.03x = 1,030,377,515,157.17
  5. Step 5: Solve for x
    x = 1,030,377,515,157.17/1,159,893.03
  6. Step 6: Final answer
    x = 888,338.40

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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.