Finding the Fourth Proportional to 1,160,909.24, 1,602,094.84 and 644,671.78
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Solution
The fourth proportional to 1,160,909.24, 1,602,094.84 and 644,671.78 is: 889,669.32
Step by Step Solution
- Step 1: Write the proportion equation
1,160,909.24 : 1,602,094.84 = 644,671.78 : x - Step 2: Convert to fraction form
1,160,909.24/1,602,094.84 = 644,671.78/x - Step 3: Cross multiply
1,160,909.24x = 1,602,094.84 × 644,671.78 - Step 4: Simplify right side
1,160,909.24x = 1,032,825,332,231.62 - Step 5: Solve for x
x = 1,032,825,332,231.62/1,160,909.24 - Step 6: Final answer
x = 889,669.32
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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.