Finding the Fourth Proportional to 1,279,248.74, 1,765,362.80 and 735,490.83
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Solution
The fourth proportional to 1,279,248.74, 1,765,362.80 and 735,490.83 is: 1,014,977.08
Step by Step Solution
- Step 1: Write the proportion equation
1,279,248.74 : 1,765,362.80 = 735,490.83 : x - Step 2: Convert to fraction form
1,279,248.74/1,765,362.80 = 735,490.83/x - Step 3: Cross multiply
1,279,248.74x = 1,765,362.80 × 735,490.83 - Step 4: Simplify right side
1,279,248.74x = 1,298,408,159,481.96 - Step 5: Solve for x
x = 1,298,408,159,481.96/1,279,248.74 - Step 6: Final answer
x = 1,014,977.08
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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.