Home / 1,087,327.94-1,500,424.76-628,472.25

Finding the Fourth Proportional to 1,087,327.94, 1,500,424.76 and 628,472.25

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Solution

The fourth proportional to 1,087,327.94, 1,500,424.76 and 628,472.25 is: 867,240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,327.94 : 1,500,424.76 = 628,472.25 : x
  2. Step 2: Convert to fraction form
    1,087,327.94/1,500,424.76 = 628,472.25/x
  3. Step 3: Cross multiply
    1,087,327.94x = 1,500,424.76 × 628,472.25
  4. Step 4: Simplify right side
    1,087,327.94x = 942,975,326,444.09
  5. Step 5: Solve for x
    x = 942,975,326,444.09/1,087,327.94
  6. Step 6: Final answer
    x = 867,240.96

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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.