Home / 993,441.60-1,490,162.40-890,798.40

Finding the Fourth Proportional to 993,441.60, 1,490,162.40 and 890,798.40

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Solution

The fourth proportional to 993,441.60, 1,490,162.40 and 890,798.40 is: 1,336,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,441.60 : 1,490,162.40 = 890,798.40 : x
  2. Step 2: Convert to fraction form
    993,441.60/1,490,162.40 = 890,798.40/x
  3. Step 3: Cross multiply
    993,441.60x = 1,490,162.40 × 890,798.40
  4. Step 4: Simplify right side
    993,441.60x = 1,327,434,281,660.16
  5. Step 5: Solve for x
    x = 1,327,434,281,660.16/993,441.60
  6. Step 6: Final answer
    x = 1,336,197.60

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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.