Finding the Fourth Proportional to 1,526,987.34, 2,286,991.53 and 728,829.14
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Solution
The fourth proportional to 1,526,987.34, 2,286,991.53 and 728,829.14 is: 1,091,578.18
Step by Step Solution
- Step 1: Write the proportion equation
1,526,987.34 : 2,286,991.53 = 728,829.14 : x - Step 2: Convert to fraction form
1,526,987.34/2,286,991.53 = 728,829.14/x - Step 3: Cross multiply
1,526,987.34x = 2,286,991.53 × 728,829.14 - Step 4: Simplify right side
1,526,987.34x = 1,666,826,058,562.23 - Step 5: Solve for x
x = 1,666,826,058,562.23/1,526,987.34 - Step 6: Final answer
x = 1,091,578.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.