Home / 993,612.40-1,490,418.60-862,392.40

Finding the Fourth Proportional to 993,612.40, 1,490,418.60 and 862,392.40

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Solution

The fourth proportional to 993,612.40, 1,490,418.60 and 862,392.40 is: 1,293,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,612.40 : 1,490,418.60 = 862,392.40 : x
  2. Step 2: Convert to fraction form
    993,612.40/1,490,418.60 = 862,392.40/x
  3. Step 3: Cross multiply
    993,612.40x = 1,490,418.60 × 862,392.40
  4. Step 4: Simplify right side
    993,612.40x = 1,285,325,673,458.64
  5. Step 5: Solve for x
    x = 1,285,325,673,458.64/993,612.40
  6. Step 6: Final answer
    x = 1,293,588.60

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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.