Home / 1,329,801.12-1,834,878.48-756,807.20

Finding the Fourth Proportional to 1,329,801.12, 1,834,878.48 and 756,807.20

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Solution

The fourth proportional to 1,329,801.12, 1,834,878.48 and 756,807.20 is: 1,044,253.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,801.12 : 1,834,878.48 = 756,807.20 : x
  2. Step 2: Convert to fraction form
    1,329,801.12/1,834,878.48 = 756,807.20/x
  3. Step 3: Cross multiply
    1,329,801.12x = 1,834,878.48 × 756,807.20
  4. Step 4: Simplify right side
    1,329,801.12x = 1,388,649,244,789.06
  5. Step 5: Solve for x
    x = 1,388,649,244,789.06/1,329,801.12
  6. Step 6: Final answer
    x = 1,044,253.33

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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.