Finding the Fourth Proportional to 1,489,568.68, 2,232,603.42 and 689,159.48
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Solution
The fourth proportional to 1,489,568.68, 2,232,603.42 and 689,159.48 is: 1,032,929.76
Step by Step Solution
- Step 1: Write the proportion equation
1,489,568.68 : 2,232,603.42 = 689,159.48 : x - Step 2: Convert to fraction form
1,489,568.68/2,232,603.42 = 689,159.48/x - Step 3: Cross multiply
1,489,568.68x = 2,232,603.42 × 689,159.48 - Step 4: Simplify right side
1,489,568.68x = 1,538,619,811,973.42 - Step 5: Solve for x
x = 1,538,619,811,973.42/1,489,568.68 - Step 6: Final answer
x = 1,032,929.76
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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.