Finding the Fourth Proportional to 1,091,235.90, 1,634,058.99 and 910,872.87
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Solution
The fourth proportional to 1,091,235.90, 1,634,058.99 and 910,872.87 is: 1,363,976.39
Step by Step Solution
- Step 1: Write the proportion equation
1,091,235.90 : 1,634,058.99 = 910,872.87 : x - Step 2: Convert to fraction form
1,091,235.90/1,634,058.99 = 910,872.87/x - Step 3: Cross multiply
1,091,235.90x = 1,634,058.99 × 910,872.87 - Step 4: Simplify right side
1,091,235.90x = 1,488,420,001,970.60 - Step 5: Solve for x
x = 1,488,420,001,970.60/1,091,235.90 - Step 6: Final answer
x = 1,363,976.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.