Finding the Fourth Proportional to 1,755,128.70, 2,630,619.45 and 744,248.70
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Solution
The fourth proportional to 1,755,128.70, 2,630,619.45 and 744,248.70 is: 1,115,493.76
Step by Step Solution
- Step 1: Write the proportion equation
1,755,128.70 : 2,630,619.45 = 744,248.70 : x - Step 2: Convert to fraction form
1,755,128.70/2,630,619.45 = 744,248.70/x - Step 3: Cross multiply
1,755,128.70x = 2,630,619.45 × 744,248.70 - Step 4: Simplify right side
1,755,128.70x = 1,957,835,105,857.22 - Step 5: Solve for x
x = 1,957,835,105,857.22/1,755,128.70 - Step 6: Final answer
x = 1,115,493.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.