Home / 1,673,385.72-2,309,271.24-909,439.44

Finding the Fourth Proportional to 1,673,385.72, 2,309,271.24 and 909,439.44

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Solution

The fourth proportional to 1,673,385.72, 2,309,271.24 and 909,439.44 is: 1,255,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,385.72 : 2,309,271.24 = 909,439.44 : x
  2. Step 2: Convert to fraction form
    1,673,385.72/2,309,271.24 = 909,439.44/x
  3. Step 3: Cross multiply
    1,673,385.72x = 2,309,271.24 × 909,439.44
  4. Step 4: Simplify right side
    1,673,385.72x = 2,100,142,343,313.71
  5. Step 5: Solve for x
    x = 2,100,142,343,313.71/1,673,385.72
  6. Step 6: Final answer
    x = 1,255,025.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.