Home / 1,250,622.78-1,875,934.89-878,307.90

Finding the Fourth Proportional to 1,250,622.78, 1,875,934.89 and 878,307.90

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Solution

The fourth proportional to 1,250,622.78, 1,875,934.89 and 878,307.90 is: 1,317,462.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,622.78 : 1,875,934.89 = 878,307.90 : x
  2. Step 2: Convert to fraction form
    1,250,622.78/1,875,934.89 = 878,307.90/x
  3. Step 3: Cross multiply
    1,250,622.78x = 1,875,934.89 × 878,307.90
  4. Step 4: Simplify right side
    1,250,622.78x = 1,647,648,433,772.63
  5. Step 5: Solve for x
    x = 1,647,648,433,772.63/1,250,622.78
  6. Step 6: Final answer
    x = 1,317,462.36

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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.