Finding the Fourth Proportional to 1,184,428.17, 1,777,429.58 and 553,391.19
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Solution
The fourth proportional to 1,184,428.17, 1,777,429.58 and 553,391.19 is: 830,454.64
Step by Step Solution
- Step 1: Write the proportion equation
1,184,428.17 : 1,777,429.58 = 553,391.19 : x - Step 2: Convert to fraction form
1,184,428.17/1,777,429.58 = 553,391.19/x - Step 3: Cross multiply
1,184,428.17x = 1,777,429.58 × 553,391.19 - Step 4: Simplify right side
1,184,428.17x = 983,613,867,650.44 - Step 5: Solve for x
x = 983,613,867,650.44/1,184,428.17 - Step 6: Final answer
x = 830,454.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.