Finding the Fourth Proportional to 1,119,832.09, 1,545,301.70 and 636,330.13
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Solution
The fourth proportional to 1,119,832.09, 1,545,301.70 and 636,330.13 is: 878,097.74
Step by Step Solution
- Step 1: Write the proportion equation
1,119,832.09 : 1,545,301.70 = 636,330.13 : x - Step 2: Convert to fraction form
1,119,832.09/1,545,301.70 = 636,330.13/x - Step 3: Cross multiply
1,119,832.09x = 1,545,301.70 × 636,330.13 - Step 4: Simplify right side
1,119,832.09x = 983,322,026,991.55 - Step 5: Solve for x
x = 983,322,026,991.55/1,119,832.09 - Step 6: Final answer
x = 878,097.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.