Finding the Fourth Proportional to 1,248,513.92, 1,722,943.68 and 675,564.20
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Solution
The fourth proportional to 1,248,513.92, 1,722,943.68 and 675,564.20 is: 932,275.60
Step by Step Solution
- Step 1: Write the proportion equation
1,248,513.92 : 1,722,943.68 = 675,564.20 : x - Step 2: Convert to fraction form
1,248,513.92/1,722,943.68 = 675,564.20/x - Step 3: Cross multiply
1,248,513.92x = 1,722,943.68 × 675,564.20 - Step 4: Simplify right side
1,248,513.92x = 1,163,959,068,824.26 - Step 5: Solve for x
x = 1,163,959,068,824.26/1,248,513.92 - Step 6: Final answer
x = 932,275.60
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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.