Finding the Fourth Proportional to 1,141,813.80, 1,575,721.98 and 625,560.12
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Solution
The fourth proportional to 1,141,813.80, 1,575,721.98 and 625,560.12 is: 863,283.34
Step by Step Solution
- Step 1: Write the proportion equation
1,141,813.80 : 1,575,721.98 = 625,560.12 : x - Step 2: Convert to fraction form
1,141,813.80/1,575,721.98 = 625,560.12/x - Step 3: Cross multiply
1,141,813.80x = 1,575,721.98 × 625,560.12 - Step 4: Simplify right side
1,141,813.80x = 985,708,830,895.44 - Step 5: Solve for x
x = 985,708,830,895.44/1,141,813.80 - Step 6: Final answer
x = 863,283.34
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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.