Finding the Fourth Proportional to 1,177,830.68, 1,625,446.36 and 661,675.76
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Solution
The fourth proportional to 1,177,830.68, 1,625,446.36 and 661,675.76 is: 913,135.03
Step by Step Solution
- Step 1: Write the proportion equation
1,177,830.68 : 1,625,446.36 = 661,675.76 : x - Step 2: Convert to fraction form
1,177,830.68/1,625,446.36 = 661,675.76/x - Step 3: Cross multiply
1,177,830.68x = 1,625,446.36 × 661,675.76 - Step 4: Simplify right side
1,177,830.68x = 1,075,518,455,592.23 - Step 5: Solve for x
x = 1,075,518,455,592.23/1,177,830.68 - Step 6: Final answer
x = 913,135.03
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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.