Finding the Fourth Proportional to 1,091,739.88, 1,506,578.34 and 608,303.08
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Solution
The fourth proportional to 1,091,739.88, 1,506,578.34 and 608,303.08 is: 839,445.61
Step by Step Solution
- Step 1: Write the proportion equation
1,091,739.88 : 1,506,578.34 = 608,303.08 : x - Step 2: Convert to fraction form
1,091,739.88/1,506,578.34 = 608,303.08/x - Step 3: Cross multiply
1,091,739.88x = 1,506,578.34 × 608,303.08 - Step 4: Simplify right side
1,091,739.88x = 916,456,244,483.29 - Step 5: Solve for x
x = 916,456,244,483.29/1,091,739.88 - Step 6: Final answer
x = 839,445.61
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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.