Finding the Fourth Proportional to 1,091,393.01, 1,506,746.66 and 724,367.88
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Solution
The fourth proportional to 1,091,393.01, 1,506,746.66 and 724,367.88 is: 1,000,042.03
Step by Step Solution
- Step 1: Write the proportion equation
1,091,393.01 : 1,506,746.66 = 724,367.88 : x - Step 2: Convert to fraction form
1,091,393.01/1,506,746.66 = 724,367.88/x - Step 3: Cross multiply
1,091,393.01x = 1,506,746.66 × 724,367.88 - Step 4: Simplify right side
1,091,393.01x = 1,091,438,880,179.44 - Step 5: Solve for x
x = 1,091,438,880,179.44/1,091,393.01 - Step 6: Final answer
x = 1,000,042.03
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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.