Finding the Fourth Proportional to 1,165,681.75, 1,748,442.37 and 716,471.95
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Solution
The fourth proportional to 1,165,681.75, 1,748,442.37 and 716,471.95 is: 1,074,658.60
Step by Step Solution
- Step 1: Write the proportion equation
1,165,681.75 : 1,748,442.37 = 716,471.95 : x - Step 2: Convert to fraction form
1,165,681.75/1,748,442.37 = 716,471.95/x - Step 3: Cross multiply
1,165,681.75x = 1,748,442.37 × 716,471.95 - Step 4: Simplify right side
1,165,681.75x = 1,252,709,914,296.52 - Step 5: Solve for x
x = 1,252,709,914,296.52/1,165,681.75 - Step 6: Final answer
x = 1,074,658.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.