Home / 897,405.20-1,346,842.20-890,406.80

Finding the Fourth Proportional to 897,405.20, 1,346,842.20 and 890,406.80

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Solution

The fourth proportional to 897,405.20, 1,346,842.20 and 890,406.80 is: 1,336,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,405.20 : 1,346,842.20 = 890,406.80 : x
  2. Step 2: Convert to fraction form
    897,405.20/1,346,842.20 = 890,406.80/x
  3. Step 3: Cross multiply
    897,405.20x = 1,346,842.20 × 890,406.80
  4. Step 4: Simplify right side
    897,405.20x = 1,199,237,453,406.96
  5. Step 5: Solve for x
    x = 1,199,237,453,406.96/897,405.20
  6. Step 6: Final answer
    x = 1,336,338.87

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1.5x scale

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.