Finding the Fourth Proportional to 1,169,658.18, 1,613,946.33 and 660,349.62
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Solution
The fourth proportional to 1,169,658.18, 1,613,946.33 and 660,349.62 is: 911,179.75
Step by Step Solution
- Step 1: Write the proportion equation
1,169,658.18 : 1,613,946.33 = 660,349.62 : x - Step 2: Convert to fraction form
1,169,658.18/1,613,946.33 = 660,349.62/x - Step 3: Cross multiply
1,169,658.18x = 1,613,946.33 × 660,349.62 - Step 4: Simplify right side
1,169,658.18x = 1,065,768,845,715.89 - Step 5: Solve for x
x = 1,065,768,845,715.89/1,169,658.18 - Step 6: Final answer
x = 911,179.75
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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.