Home / 1,555,874.46-2,147,098.77-902,632.59

Finding the Fourth Proportional to 1,555,874.46, 2,147,098.77 and 902,632.59

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Solution

The fourth proportional to 1,555,874.46, 2,147,098.77 and 902,632.59 is: 1,245,628.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,874.46 : 2,147,098.77 = 902,632.59 : x
  2. Step 2: Convert to fraction form
    1,555,874.46/2,147,098.77 = 902,632.59/x
  3. Step 3: Cross multiply
    1,555,874.46x = 2,147,098.77 × 902,632.59
  4. Step 4: Simplify right side
    1,555,874.46x = 1,938,041,323,750.91
  5. Step 5: Solve for x
    x = 1,938,041,323,750.91/1,555,874.46
  6. Step 6: Final answer
    x = 1,245,628.34

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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.