Finding the Fourth Proportional to 1,372,977.98, 1,894,317.99 and 792,155.06
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Solution
The fourth proportional to 1,372,977.98, 1,894,317.99 and 792,155.06 is: 1,092,948.03
Step by Step Solution
- Step 1: Write the proportion equation
1,372,977.98 : 1,894,317.99 = 792,155.06 : x - Step 2: Convert to fraction form
1,372,977.98/1,894,317.99 = 792,155.06/x - Step 3: Cross multiply
1,372,977.98x = 1,894,317.99 × 792,155.06 - Step 4: Simplify right side
1,372,977.98x = 1,500,593,581,027.53 - Step 5: Solve for x
x = 1,500,593,581,027.53/1,372,977.98 - Step 6: Final answer
x = 1,092,948.03
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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.