Finding the Fourth Proportional to 1,359,929.12, 1,876,737.21 and 748,097.60
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Solution
The fourth proportional to 1,359,929.12, 1,876,737.21 and 748,097.60 is: 1,032,393.95
Step by Step Solution
- Step 1: Write the proportion equation
1,359,929.12 : 1,876,737.21 = 748,097.60 : x - Step 2: Convert to fraction form
1,359,929.12/1,876,737.21 = 748,097.60/x - Step 3: Cross multiply
1,359,929.12x = 1,876,737.21 × 748,097.60 - Step 4: Simplify right side
1,359,929.12x = 1,403,982,602,631.70 - Step 5: Solve for x
x = 1,403,982,602,631.70/1,359,929.12 - Step 6: Final answer
x = 1,032,393.95
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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.