Home / 993,480.60-1,490,220.90-890,837.40

Finding the Fourth Proportional to 993,480.60, 1,490,220.90 and 890,837.40

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Solution

The fourth proportional to 993,480.60, 1,490,220.90 and 890,837.40 is: 1,336,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,480.60 : 1,490,220.90 = 890,837.40 : x
  2. Step 2: Convert to fraction form
    993,480.60/1,490,220.90 = 890,837.40/x
  3. Step 3: Cross multiply
    993,480.60x = 1,490,220.90 × 890,837.40
  4. Step 4: Simplify right side
    993,480.60x = 1,327,544,511,981.66
  5. Step 5: Solve for x
    x = 1,327,544,511,981.66/993,480.60
  6. Step 6: Final answer
    x = 1,336,256.10

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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.