Finding the Fourth Proportional to 1,247,599.62, 1,721,615.76 and 703,702.98
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Solution
The fourth proportional to 1,247,599.62, 1,721,615.76 and 703,702.98 is: 971,069.66
Step by Step Solution
- Step 1: Write the proportion equation
1,247,599.62 : 1,721,615.76 = 703,702.98 : x - Step 2: Convert to fraction form
1,247,599.62/1,721,615.76 = 703,702.98/x - Step 3: Cross multiply
1,247,599.62x = 1,721,615.76 × 703,702.98 - Step 4: Simplify right side
1,247,599.62x = 1,211,506,140,726.96 - Step 5: Solve for x
x = 1,211,506,140,726.96/1,247,599.62 - Step 6: Final answer
x = 971,069.66
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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.