Finding the Fourth Proportional to 1,259,148.34, 1,737,574.14 and 686,176.18
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Solution
The fourth proportional to 1,259,148.34, 1,737,574.14 and 686,176.18 is: 946,895.57
Step by Step Solution
- Step 1: Write the proportion equation
1,259,148.34 : 1,737,574.14 = 686,176.18 : x - Step 2: Convert to fraction form
1,259,148.34/1,737,574.14 = 686,176.18/x - Step 3: Cross multiply
1,259,148.34x = 1,737,574.14 × 686,176.18 - Step 4: Simplify right side
1,259,148.34x = 1,192,281,985,851.99 - Step 5: Solve for x
x = 1,192,281,985,851.99/1,259,148.34 - Step 6: Final answer
x = 946,895.57
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1.5x scale
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.