Home / 1,087,687.22-1,501,047.57-628,945.74

Finding the Fourth Proportional to 1,087,687.22, 1,501,047.57 and 628,945.74

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Solution

The fourth proportional to 1,087,687.22, 1,501,047.57 and 628,945.74 is: 867,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,687.22 : 1,501,047.57 = 628,945.74 : x
  2. Step 2: Convert to fraction form
    1,087,687.22/1,501,047.57 = 628,945.74/x
  3. Step 3: Cross multiply
    1,087,687.22x = 1,501,047.57 × 628,945.74
  4. Step 4: Simplify right side
    1,087,687.22x = 944,077,474,688.85
  5. Step 5: Solve for x
    x = 944,077,474,688.85/1,087,687.22
  6. Step 6: Final answer
    x = 867,967.80

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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.