Home / 989,346.32-1,363,431.98-792,889.66

Finding the Fourth Proportional to 989,346.32, 1,363,431.98 and 792,889.66

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Solution

The fourth proportional to 989,346.32, 1,363,431.98 and 792,889.66 is: 1,092,692.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,346.32 : 1,363,431.98 = 792,889.66 : x
  2. Step 2: Convert to fraction form
    989,346.32/1,363,431.98 = 792,889.66/x
  3. Step 3: Cross multiply
    989,346.32x = 1,363,431.98 × 792,889.66
  4. Step 4: Simplify right side
    989,346.32x = 1,081,051,112,238.17
  5. Step 5: Solve for x
    x = 1,081,051,112,238.17/989,346.32
  6. Step 6: Final answer
    x = 1,092,692.31

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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.