Finding the Fourth Proportional to 1,225,397.18, 1,690,797.84 and 716,001.14
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Solution
The fourth proportional to 1,225,397.18, 1,690,797.84 and 716,001.14 is: 987,935.34
Step by Step Solution
- Step 1: Write the proportion equation
1,225,397.18 : 1,690,797.84 = 716,001.14 : x - Step 2: Convert to fraction form
1,225,397.18/1,690,797.84 = 716,001.14/x - Step 3: Cross multiply
1,225,397.18x = 1,690,797.84 × 716,001.14 - Step 4: Simplify right side
1,225,397.18x = 1,210,613,180,949.54 - Step 5: Solve for x
x = 1,210,613,180,949.54/1,225,397.18 - Step 6: Final answer
x = 987,935.34
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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.