Finding the Fourth Proportional to 1,134,876.79, 1,566,051.70 and 638,234.94
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Solution
The fourth proportional to 1,134,876.79, 1,566,051.70 and 638,234.94 is: 880,720.20
Step by Step Solution
- Step 1: Write the proportion equation
1,134,876.79 : 1,566,051.70 = 638,234.94 : x - Step 2: Convert to fraction form
1,134,876.79/1,566,051.70 = 638,234.94/x - Step 3: Cross multiply
1,134,876.79x = 1,566,051.70 × 638,234.94 - Step 4: Simplify right side
1,134,876.79x = 999,508,916,465.16 - Step 5: Solve for x
x = 999,508,916,465.16/1,134,876.79 - Step 6: Final answer
x = 880,720.20
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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.