Home / 993,979.40-1,490,969.10-950,433.80

Finding the Fourth Proportional to 993,979.40, 1,490,969.10 and 950,433.80

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Solution

The fourth proportional to 993,979.40, 1,490,969.10 and 950,433.80 is: 1,425,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,979.40 : 1,490,969.10 = 950,433.80 : x
  2. Step 2: Convert to fraction form
    993,979.40/1,490,969.10 = 950,433.80/x
  3. Step 3: Cross multiply
    993,979.40x = 1,490,969.10 × 950,433.80
  4. Step 4: Simplify right side
    993,979.40x = 1,417,067,427,395.58
  5. Step 5: Solve for x
    x = 1,417,067,427,395.58/993,979.40
  6. Step 6: Final answer
    x = 1,425,650.70

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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.