Home / 1,246,095-1,869,142.32-299,465.70

Finding the Fourth Proportional to 1,246,095, 1,869,142.32 and 299,465.70

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Solution

The fourth proportional to 1,246,095, 1,869,142.32 and 299,465.70 is: 449,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,095 : 1,869,142.32 = 299,465.70 : x
  2. Step 2: Convert to fraction form
    1,246,095/1,869,142.32 = 299,465.70/x
  3. Step 3: Cross multiply
    1,246,095x = 1,869,142.32 × 299,465.70
  4. Step 4: Simplify right side
    1,246,095x = 559,744,013,258.42
  5. Step 5: Solve for x
    x = 559,744,013,258.42/1,246,095
  6. Step 6: Final answer
    x = 449,198.51

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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.