Finding the Fourth Proportional to 1,317,593.34, 1,817,548.49 and 766,248.68
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Solution
The fourth proportional to 1,317,593.34, 1,817,548.49 and 766,248.68 is: 1,056,998.45
Step by Step Solution
- Step 1: Write the proportion equation
1,317,593.34 : 1,817,548.49 = 766,248.68 : x - Step 2: Convert to fraction form
1,317,593.34/1,817,548.49 = 766,248.68/x - Step 3: Cross multiply
1,317,593.34x = 1,817,548.49 × 766,248.68 - Step 4: Simplify right side
1,317,593.34x = 1,392,694,118,379.51 - Step 5: Solve for x
x = 1,392,694,118,379.51/1,317,593.34 - Step 6: Final answer
x = 1,056,998.45
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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.