Finding the Fourth Proportional to 1,207,590.80, 1,802,343.36 and 1,187,659.88
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Solution
The fourth proportional to 1,207,590.80, 1,802,343.36 and 1,187,659.88 is: 1,772,596.23
Step by Step Solution
- Step 1: Write the proportion equation
1,207,590.80 : 1,802,343.36 = 1,187,659.88 : x - Step 2: Convert to fraction form
1,207,590.80/1,802,343.36 = 1,187,659.88/x - Step 3: Cross multiply
1,207,590.80x = 1,802,343.36 × 1,187,659.88 - Step 4: Simplify right side
1,207,590.80x = 2,140,570,898,656.40 - Step 5: Solve for x
x = 2,140,570,898,656.40/1,207,590.80 - Step 6: Final answer
x = 1,772,596.23
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.