Finding the Fourth Proportional to 1,055,135.18, 1,456,084.49 and 571,713.41
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Solution
The fourth proportional to 1,055,135.18, 1,456,084.49 and 571,713.41 is: 788,963.38
Step by Step Solution
- Step 1: Write the proportion equation
1,055,135.18 : 1,456,084.49 = 571,713.41 : x - Step 2: Convert to fraction form
1,055,135.18/1,456,084.49 = 571,713.41/x - Step 3: Cross multiply
1,055,135.18x = 1,456,084.49 × 571,713.41 - Step 4: Simplify right side
1,055,135.18x = 832,463,018,887.02 - Step 5: Solve for x
x = 832,463,018,887.02/1,055,135.18 - Step 6: Final answer
x = 788,963.38
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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.