Finding the Fourth Proportional to 1,311,505.74, 1,967,523.81 and 553,349.08
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Solution
The fourth proportional to 1,311,505.74, 1,967,523.81 and 553,349.08 is: 830,135.51
Step by Step Solution
- Step 1: Write the proportion equation
1,311,505.74 : 1,967,523.81 = 553,349.08 : x - Step 2: Convert to fraction form
1,311,505.74/1,967,523.81 = 553,349.08/x - Step 3: Cross multiply
1,311,505.74x = 1,967,523.81 × 553,349.08 - Step 4: Simplify right side
1,311,505.74x = 1,088,727,490,141.59 - Step 5: Solve for x
x = 1,088,727,490,141.59/1,311,505.74 - Step 6: Final answer
x = 830,135.51
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.