Finding the Fourth Proportional to 1,258,970.13, 1,737,376.11 and 686,008.98
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Solution
The fourth proportional to 1,258,970.13, 1,737,376.11 and 686,008.98 is: 946,690.94
Step by Step Solution
- Step 1: Write the proportion equation
1,258,970.13 : 1,737,376.11 = 686,008.98 : x - Step 2: Convert to fraction form
1,258,970.13/1,737,376.11 = 686,008.98/x - Step 3: Cross multiply
1,258,970.13x = 1,737,376.11 × 686,008.98 - Step 4: Simplify right side
1,258,970.13x = 1,191,855,613,097.47 - Step 5: Solve for x
x = 1,191,855,613,097.47/1,258,970.13 - Step 6: Final answer
x = 946,690.94
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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.