Finding the Fourth Proportional to 1,157,841.28, 1,736,746.26 and 517,975.84
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Solution
The fourth proportional to 1,157,841.28, 1,736,746.26 and 517,975.84 is: 776,956.75
Step by Step Solution
- Step 1: Write the proportion equation
1,157,841.28 : 1,736,746.26 = 517,975.84 : x - Step 2: Convert to fraction form
1,157,841.28/1,736,746.26 = 517,975.84/x - Step 3: Cross multiply
1,157,841.28x = 1,736,746.26 × 517,975.84 - Step 4: Simplify right side
1,157,841.28x = 899,592,602,890.36 - Step 5: Solve for x
x = 899,592,602,890.36/1,157,841.28 - Step 6: Final answer
x = 776,956.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.