Home / 1,247,058.32-1,718,588.80-902,310.56

Finding the Fourth Proportional to 1,247,058.32, 1,718,588.80 and 902,310.56

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Solution

The fourth proportional to 1,247,058.32, 1,718,588.80 and 902,310.56 is: 1,243,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,058.32 : 1,718,588.80 = 902,310.56 : x
  2. Step 2: Convert to fraction form
    1,247,058.32/1,718,588.80 = 902,310.56/x
  3. Step 3: Cross multiply
    1,247,058.32x = 1,718,588.80 × 902,310.56
  4. Step 4: Simplify right side
    1,247,058.32x = 1,550,700,822,537.73
  5. Step 5: Solve for x
    x = 1,550,700,822,537.73/1,247,058.32
  6. Step 6: Final answer
    x = 1,243,487.01

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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.