Home / 1,663,142.40-2,490,462.72-914,365.44

Finding the Fourth Proportional to 1,663,142.40, 2,490,462.72 and 914,365.44

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Solution

The fourth proportional to 1,663,142.40, 2,490,462.72 and 914,365.44 is: 1,369,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,142.40 : 2,490,462.72 = 914,365.44 : x
  2. Step 2: Convert to fraction form
    1,663,142.40/2,490,462.72 = 914,365.44/x
  3. Step 3: Cross multiply
    1,663,142.40x = 2,490,462.72 × 914,365.44
  4. Step 4: Simplify right side
    1,663,142.40x = 2,277,193,040,776.40
  5. Step 5: Solve for x
    x = 2,277,193,040,776.40/1,663,142.40
  6. Step 6: Final answer
    x = 1,369,211.10

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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.