Finding the Fourth Proportional to 1,209,795.84, 1,666,723.20 and 869,675.52
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Solution
The fourth proportional to 1,209,795.84, 1,666,723.20 and 869,675.52 is: 1,198,142.96
Step by Step Solution
- Step 1: Write the proportion equation
1,209,795.84 : 1,666,723.20 = 869,675.52 : x - Step 2: Convert to fraction form
1,209,795.84/1,666,723.20 = 869,675.52/x - Step 3: Cross multiply
1,209,795.84x = 1,666,723.20 × 869,675.52 - Step 4: Simplify right side
1,209,795.84x = 1,449,508,365,656.06 - Step 5: Solve for x
x = 1,449,508,365,656.06/1,209,795.84 - Step 6: Final answer
x = 1,198,142.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.