Finding the Fourth Proportional to 1,288,060.38, 1,941,348.99 and 1,110,291.45
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Solution
The fourth proportional to 1,288,060.38, 1,941,348.99 and 1,110,291.45 is: 1,673,417.82
Step by Step Solution
- Step 1: Write the proportion equation
1,288,060.38 : 1,941,348.99 = 1,110,291.45 : x - Step 2: Convert to fraction form
1,288,060.38/1,941,348.99 = 1,110,291.45/x - Step 3: Cross multiply
1,288,060.38x = 1,941,348.99 × 1,110,291.45 - Step 4: Simplify right side
1,288,060.38x = 2,155,463,192,343.19 - Step 5: Solve for x
x = 2,155,463,192,343.19/1,288,060.38 - Step 6: Final answer
x = 1,673,417.82
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.