Home / 1,298,941.44-1,948,226.40-445,997.13

Finding the Fourth Proportional to 1,298,941.44, 1,948,226.40 and 445,997.13

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Solution

The fourth proportional to 1,298,941.44, 1,948,226.40 and 445,997.13 is: 668,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,941.44 : 1,948,226.40 = 445,997.13 : x
  2. Step 2: Convert to fraction form
    1,298,941.44/1,948,226.40 = 445,997.13/x
  3. Step 3: Cross multiply
    1,298,941.44x = 1,948,226.40 × 445,997.13
  4. Step 4: Simplify right side
    1,298,941.44x = 868,903,382,990.23
  5. Step 5: Solve for x
    x = 868,903,382,990.23/1,298,941.44
  6. Step 6: Final answer
    x = 668,931.91

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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.