Home / 1,225,443.64-1,690,421.97-735,286.36

Finding the Fourth Proportional to 1,225,443.64, 1,690,421.97 and 735,286.36

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Solution

The fourth proportional to 1,225,443.64, 1,690,421.97 and 735,286.36 is: 1,014,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,443.64 : 1,690,421.97 = 735,286.36 : x
  2. Step 2: Convert to fraction form
    1,225,443.64/1,690,421.97 = 735,286.36/x
  3. Step 3: Cross multiply
    1,225,443.64x = 1,690,421.97 × 735,286.36
  4. Step 4: Simplify right side
    1,225,443.64x = 1,242,944,217,185.33
  5. Step 5: Solve for x
    x = 1,242,944,217,185.33/1,225,443.64
  6. Step 6: Final answer
    x = 1,014,281.01

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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.