Finding the Fourth Proportional to 1,198,282.18, 1,653,638.58 and 654,408.08
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Solution
The fourth proportional to 1,198,282.18, 1,653,638.58 and 654,408.08 is: 903,088.16
Step by Step Solution
- Step 1: Write the proportion equation
1,198,282.18 : 1,653,638.58 = 654,408.08 : x - Step 2: Convert to fraction form
1,198,282.18/1,653,638.58 = 654,408.08/x - Step 3: Cross multiply
1,198,282.18x = 1,653,638.58 × 654,408.08 - Step 4: Simplify right side
1,198,282.18x = 1,082,154,448,151.73 - Step 5: Solve for x
x = 1,082,154,448,151.73/1,198,282.18 - Step 6: Final answer
x = 903,088.16
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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.