Finding the Fourth Proportional to 1,119,833.09, 1,545,303.08 and 636,331.13
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Solution
The fourth proportional to 1,119,833.09, 1,545,303.08 and 636,331.13 is: 878,099.12
Step by Step Solution
- Step 1: Write the proportion equation
1,119,833.09 : 1,545,303.08 = 636,331.13 : x - Step 2: Convert to fraction form
1,119,833.09/1,545,303.08 = 636,331.13/x - Step 3: Cross multiply
1,119,833.09x = 1,545,303.08 × 636,331.13 - Step 4: Simplify right side
1,119,833.09x = 983,324,455,088.88 - Step 5: Solve for x
x = 983,324,455,088.88/1,119,833.09 - Step 6: Final answer
x = 878,099.12
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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.