Home / 1,810,574.40-2,715,861.60-815,246.40

Finding the Fourth Proportional to 1,810,574.40, 2,715,861.60 and 815,246.40

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Solution

The fourth proportional to 1,810,574.40, 2,715,861.60 and 815,246.40 is: 1,222,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,574.40 : 2,715,861.60 = 815,246.40 : x
  2. Step 2: Convert to fraction form
    1,810,574.40/2,715,861.60 = 815,246.40/x
  3. Step 3: Cross multiply
    1,810,574.40x = 2,715,861.60 × 815,246.40
  4. Step 4: Simplify right side
    1,810,574.40x = 2,214,096,392,298.24
  5. Step 5: Solve for x
    x = 2,214,096,392,298.24/1,810,574.40
  6. Step 6: Final answer
    x = 1,222,869.60

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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.