Home / 1,515,760.40-2,273,640.60-718,598.90

Finding the Fourth Proportional to 1,515,760.40, 2,273,640.60 and 718,598.90

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Solution

The fourth proportional to 1,515,760.40, 2,273,640.60 and 718,598.90 is: 1,077,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,760.40 : 2,273,640.60 = 718,598.90 : x
  2. Step 2: Convert to fraction form
    1,515,760.40/2,273,640.60 = 718,598.90/x
  3. Step 3: Cross multiply
    1,515,760.40x = 2,273,640.60 × 718,598.90
  4. Step 4: Simplify right side
    1,515,760.40x = 1,633,835,634,155.34
  5. Step 5: Solve for x
    x = 1,633,835,634,155.34/1,515,760.40
  6. Step 6: Final answer
    x = 1,077,898.35

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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.