Home / 1,277,488.40-1,762,857.88-733,712.72

Finding the Fourth Proportional to 1,277,488.40, 1,762,857.88 and 733,712.72

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Solution

The fourth proportional to 1,277,488.40, 1,762,857.88 and 733,712.72 is: 1,012,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,488.40 : 1,762,857.88 = 733,712.72 : x
  2. Step 2: Convert to fraction form
    1,277,488.40/1,762,857.88 = 733,712.72/x
  3. Step 3: Cross multiply
    1,277,488.40x = 1,762,857.88 × 733,712.72
  4. Step 4: Simplify right side
    1,277,488.40x = 1,293,431,239,459.66
  5. Step 5: Solve for x
    x = 1,293,431,239,459.66/1,277,488.40
  6. Step 6: Final answer
    x = 1,012,479.84

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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.