Finding the Fourth Proportional to 1,171,235.36, 1,616,306.64 and 634,691.36
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Solution
The fourth proportional to 1,171,235.36, 1,616,306.64 and 634,691.36 is: 875,875.08
Step by Step Solution
- Step 1: Write the proportion equation
1,171,235.36 : 1,616,306.64 = 634,691.36 : x - Step 2: Convert to fraction form
1,171,235.36/1,616,306.64 = 634,691.36/x - Step 3: Cross multiply
1,171,235.36x = 1,616,306.64 × 634,691.36 - Step 4: Simplify right side
1,171,235.36x = 1,025,855,859,518.63 - Step 5: Solve for x
x = 1,025,855,859,518.63/1,171,235.36 - Step 6: Final answer
x = 875,875.08
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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.