Finding the Fourth Proportional to 1,248,461.06, 1,722,691.49 and 758,175.59
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Solution
The fourth proportional to 1,248,461.06, 1,722,691.49 and 758,175.59 is: 1,046,170.11
Step by Step Solution
- Step 1: Write the proportion equation
1,248,461.06 : 1,722,691.49 = 758,175.59 : x - Step 2: Convert to fraction form
1,248,461.06/1,722,691.49 = 758,175.59/x - Step 3: Cross multiply
1,248,461.06x = 1,722,691.49 × 758,175.59 - Step 4: Simplify right side
1,248,461.06x = 1,306,102,637,334.58 - Step 5: Solve for x
x = 1,306,102,637,334.58/1,248,461.06 - Step 6: Final answer
x = 1,046,170.11
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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.