Finding the Fourth Proportional to 1,186,689.61, 1,781,203.86 and 845,511.97
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Solution
The fourth proportional to 1,186,689.61, 1,781,203.86 and 845,511.97 is: 1,269,101.18
Step by Step Solution
- Step 1: Write the proportion equation
1,186,689.61 : 1,781,203.86 = 845,511.97 : x - Step 2: Convert to fraction form
1,186,689.61/1,781,203.86 = 845,511.97/x - Step 3: Cross multiply
1,186,689.61x = 1,781,203.86 × 845,511.97 - Step 4: Simplify right side
1,186,689.61x = 1,506,029,182,337.91 - Step 5: Solve for x
x = 1,506,029,182,337.91/1,186,689.61 - Step 6: Final answer
x = 1,269,101.18
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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.