Finding the Fourth Proportional to 1,207,547.37, 1,666,432.62 and 663,733.44
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Solution
The fourth proportional to 1,207,547.37, 1,666,432.62 and 663,733.44 is: 915,961.63
Step by Step Solution
- Step 1: Write the proportion equation
1,207,547.37 : 1,666,432.62 = 663,733.44 : x - Step 2: Convert to fraction form
1,207,547.37/1,666,432.62 = 663,733.44/x - Step 3: Cross multiply
1,207,547.37x = 1,666,432.62 × 663,733.44 - Step 4: Simplify right side
1,207,547.37x = 1,106,067,055,400.81 - Step 5: Solve for x
x = 1,106,067,055,400.81/1,207,547.37 - Step 6: Final answer
x = 915,961.63
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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.