Home / 1,298,696.82-1,948,465.71-624,690.42

Finding the Fourth Proportional to 1,298,696.82, 1,948,465.71 and 624,690.42

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Solution

The fourth proportional to 1,298,696.82, 1,948,465.71 and 624,690.42 is: 937,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,696.82 : 1,948,465.71 = 624,690.42 : x
  2. Step 2: Convert to fraction form
    1,298,696.82/1,948,465.71 = 624,690.42/x
  3. Step 3: Cross multiply
    1,298,696.82x = 1,948,465.71 × 624,690.42
  4. Step 4: Simplify right side
    1,298,696.82x = 1,217,187,852,993.17
  5. Step 5: Solve for x
    x = 1,217,187,852,993.17/1,298,696.82
  6. Step 6: Final answer
    x = 937,237.88

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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.