Home / 1,765,347.39-2,648,414.73-643,416.39

Finding the Fourth Proportional to 1,765,347.39, 2,648,414.73 and 643,416.39

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Solution

The fourth proportional to 1,765,347.39, 2,648,414.73 and 643,416.39 is: 965,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,347.39 : 2,648,414.73 = 643,416.39 : x
  2. Step 2: Convert to fraction form
    1,765,347.39/2,648,414.73 = 643,416.39/x
  3. Step 3: Cross multiply
    1,765,347.39x = 2,648,414.73 × 643,416.39
  4. Step 4: Simplify right side
    1,765,347.39x = 1,704,033,444,799.42
  5. Step 5: Solve for x
    x = 1,704,033,444,799.42/1,765,347.39
  6. Step 6: Final answer
    x = 965,268.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.