Finding the Fourth Proportional to 1,225,117.48, 1,690,700.76 and 681,276.19
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Solution
The fourth proportional to 1,225,117.48, 1,690,700.76 and 681,276.19 is: 940,182.62
Step by Step Solution
- Step 1: Write the proportion equation
1,225,117.48 : 1,690,700.76 = 681,276.19 : x - Step 2: Convert to fraction form
1,225,117.48/1,690,700.76 = 681,276.19/x - Step 3: Cross multiply
1,225,117.48x = 1,690,700.76 × 681,276.19 - Step 4: Simplify right side
1,225,117.48x = 1,151,834,160,343.02 - Step 5: Solve for x
x = 1,151,834,160,343.02/1,225,117.48 - Step 6: Final answer
x = 940,182.62
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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.