Finding the Fourth Proportional to 1,090,275.90, 1,635,419.99 and 970,886.18
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Solution
The fourth proportional to 1,090,275.90, 1,635,419.99 and 970,886.18 is: 1,456,334.73
Step by Step Solution
- Step 1: Write the proportion equation
1,090,275.90 : 1,635,419.99 = 970,886.18 : x - Step 2: Convert to fraction form
1,090,275.90/1,635,419.99 = 970,886.18/x - Step 3: Cross multiply
1,090,275.90x = 1,635,419.99 × 970,886.18 - Step 4: Simplify right side
1,090,275.90x = 1,587,806,653,755.21 - Step 5: Solve for x
x = 1,587,806,653,755.21/1,090,275.90 - Step 6: Final answer
x = 1,456,334.73
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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.