Finding the Fourth Proportional to 1,334,557.88, 1,841,690.82 and 722,715.44
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Solution
The fourth proportional to 1,334,557.88, 1,841,690.82 and 722,715.44 is: 997,347.82
Step by Step Solution
- Step 1: Write the proportion equation
1,334,557.88 : 1,841,690.82 = 722,715.44 : x - Step 2: Convert to fraction form
1,334,557.88/1,841,690.82 = 722,715.44/x - Step 3: Cross multiply
1,334,557.88x = 1,841,690.82 × 722,715.44 - Step 4: Simplify right side
1,334,557.88x = 1,331,018,391,320.26 - Step 5: Solve for x
x = 1,331,018,391,320.26/1,334,557.88 - Step 6: Final answer
x = 997,347.82
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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.