Home / 1,067,490.36-1,603,067.70-947,817.72

Finding the Fourth Proportional to 1,067,490.36, 1,603,067.70 and 947,817.72

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Solution

The fourth proportional to 1,067,490.36, 1,603,067.70 and 947,817.72 is: 1,423,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,490.36 : 1,603,067.70 = 947,817.72 : x
  2. Step 2: Convert to fraction form
    1,067,490.36/1,603,067.70 = 947,817.72/x
  3. Step 3: Cross multiply
    1,067,490.36x = 1,603,067.70 × 947,817.72
  4. Step 4: Simplify right side
    1,067,490.36x = 1,519,415,972,419.64
  5. Step 5: Solve for x
    x = 1,519,415,972,419.64/1,067,490.36
  6. Step 6: Final answer
    x = 1,423,353.34

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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.