Finding the Fourth Proportional to 1,208,957.61, 1,668,328.02 and 657,654.99
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Solution
The fourth proportional to 1,208,957.61, 1,668,328.02 and 657,654.99 is: 907,545.67
Step by Step Solution
- Step 1: Write the proportion equation
1,208,957.61 : 1,668,328.02 = 657,654.99 : x - Step 2: Convert to fraction form
1,208,957.61/1,668,328.02 = 657,654.99/x - Step 3: Cross multiply
1,208,957.61x = 1,668,328.02 × 657,654.99 - Step 4: Simplify right side
1,208,957.61x = 1,097,184,247,309.82 - Step 5: Solve for x
x = 1,097,184,247,309.82/1,208,957.61 - Step 6: Final answer
x = 907,545.67
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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.