Finding the Fourth Proportional to 1,186,386.73, 1,779,663.09 and 476,414.75
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Solution
The fourth proportional to 1,186,386.73, 1,779,663.09 and 476,414.75 is: 714,655.45
Step by Step Solution
- Step 1: Write the proportion equation
1,186,386.73 : 1,779,663.09 = 476,414.75 : x - Step 2: Convert to fraction form
1,186,386.73/1,779,663.09 = 476,414.75/x - Step 3: Cross multiply
1,186,386.73x = 1,779,663.09 × 476,414.75 - Step 4: Simplify right side
1,186,386.73x = 847,857,746,106.58 - Step 5: Solve for x
x = 847,857,746,106.58/1,186,386.73 - Step 6: Final answer
x = 714,655.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.