Finding the Fourth Proportional to 1,186,587.55, 1,637,207.13 and 703,069.12
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Solution
The fourth proportional to 1,186,587.55, 1,637,207.13 and 703,069.12 is: 970,067.30
Step by Step Solution
- Step 1: Write the proportion equation
1,186,587.55 : 1,637,207.13 = 703,069.12 : x - Step 2: Convert to fraction form
1,186,587.55/1,637,207.13 = 703,069.12/x - Step 3: Cross multiply
1,186,587.55x = 1,637,207.13 × 703,069.12 - Step 4: Simplify right side
1,186,587.55x = 1,151,069,776,146.83 - Step 5: Solve for x
x = 1,151,069,776,146.83/1,186,587.55 - Step 6: Final answer
x = 970,067.30
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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.