Home / 943,616.40-1,415,424.60-756,992.40

Finding the Fourth Proportional to 943,616.40, 1,415,424.60 and 756,992.40

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Solution

The fourth proportional to 943,616.40, 1,415,424.60 and 756,992.40 is: 1,135,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,616.40 : 1,415,424.60 = 756,992.40 : x
  2. Step 2: Convert to fraction form
    943,616.40/1,415,424.60 = 756,992.40/x
  3. Step 3: Cross multiply
    943,616.40x = 1,415,424.60 × 756,992.40
  4. Step 4: Simplify right side
    943,616.40x = 1,071,465,664,973.04
  5. Step 5: Solve for x
    x = 1,071,465,664,973.04/943,616.40
  6. Step 6: Final answer
    x = 1,135,488.60

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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.