Finding the Fourth Proportional to 1,116,603.08, 1,674,865.02 and 317,888.84
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Solution
The fourth proportional to 1,116,603.08, 1,674,865.02 and 317,888.84 is: 476,821.99
Step by Step Solution
- Step 1: Write the proportion equation
1,116,603.08 : 1,674,865.02 = 317,888.84 : x - Step 2: Convert to fraction form
1,116,603.08/1,674,865.02 = 317,888.84/x - Step 3: Cross multiply
1,116,603.08x = 1,674,865.02 × 317,888.84 - Step 4: Simplify right side
1,116,603.08x = 532,420,898,364.38 - Step 5: Solve for x
x = 532,420,898,364.38/1,116,603.08 - Step 6: Final answer
x = 476,821.99
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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.