Home / 1,384,326.84-1,910,367.78-772,442.04

Finding the Fourth Proportional to 1,384,326.84, 1,910,367.78 and 772,442.04

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Solution

The fourth proportional to 1,384,326.84, 1,910,367.78 and 772,442.04 is: 1,065,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,326.84 : 1,910,367.78 = 772,442.04 : x
  2. Step 2: Convert to fraction form
    1,384,326.84/1,910,367.78 = 772,442.04/x
  3. Step 3: Cross multiply
    1,384,326.84x = 1,910,367.78 × 772,442.04
  4. Step 4: Simplify right side
    1,384,326.84x = 1,475,648,385,133.47
  5. Step 5: Solve for x
    x = 1,475,648,385,133.47/1,384,326.84
  6. Step 6: Final answer
    x = 1,065,968.20

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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.