Home / 1,204,149.98-1,807,307.85-643,663.58

Finding the Fourth Proportional to 1,204,149.98, 1,807,307.85 and 643,663.58

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Solution

The fourth proportional to 1,204,149.98, 1,807,307.85 and 643,663.58 is: 966,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,149.98 : 1,807,307.85 = 643,663.58 : x
  2. Step 2: Convert to fraction form
    1,204,149.98/1,807,307.85 = 643,663.58/x
  3. Step 3: Cross multiply
    1,204,149.98x = 1,807,307.85 × 643,663.58
  4. Step 4: Simplify right side
    1,204,149.98x = 1,163,298,240,893.10
  5. Step 5: Solve for x
    x = 1,163,298,240,893.10/1,204,149.98
  6. Step 6: Final answer
    x = 966,074.21

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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.