Finding the Fourth Proportional to 1,283,192.52, 1,771,248.36 and 739,545.48
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Solution
The fourth proportional to 1,283,192.52, 1,771,248.36 and 739,545.48 is: 1,020,827.89
Step by Step Solution
- Step 1: Write the proportion equation
1,283,192.52 : 1,771,248.36 = 739,545.48 : x - Step 2: Convert to fraction form
1,283,192.52/1,771,248.36 = 739,545.48/x - Step 3: Cross multiply
1,283,192.52x = 1,771,248.36 × 739,545.48 - Step 4: Simplify right side
1,283,192.52x = 1,309,918,718,595.41 - Step 5: Solve for x
x = 1,309,918,718,595.41/1,283,192.52 - Step 6: Final answer
x = 1,020,827.89
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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.