Finding the Fourth Proportional to 1,259,256.14, 1,737,820.36 and 715,484.12
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Solution
The fourth proportional to 1,259,256.14, 1,737,820.36 and 715,484.12 is: 987,394.73
Step by Step Solution
- Step 1: Write the proportion equation
1,259,256.14 : 1,737,820.36 = 715,484.12 : x - Step 2: Convert to fraction form
1,259,256.14/1,737,820.36 = 715,484.12/x - Step 3: Cross multiply
1,259,256.14x = 1,737,820.36 × 715,484.12 - Step 4: Simplify right side
1,259,256.14x = 1,243,382,870,992.68 - Step 5: Solve for x
x = 1,243,382,870,992.68/1,259,256.14 - Step 6: Final answer
x = 987,394.73
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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.