Finding the Fourth Proportional to 1,133,705.62, 1,564,482.21 and 617,448.19
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Solution
The fourth proportional to 1,133,705.62, 1,564,482.21 and 617,448.19 is: 852,061.32
Step by Step Solution
- Step 1: Write the proportion equation
1,133,705.62 : 1,564,482.21 = 617,448.19 : x - Step 2: Convert to fraction form
1,133,705.62/1,564,482.21 = 617,448.19/x - Step 3: Cross multiply
1,133,705.62x = 1,564,482.21 × 617,448.19 - Step 4: Simplify right side
1,133,705.62x = 965,986,708,851.70 - Step 5: Solve for x
x = 965,986,708,851.70/1,133,705.62 - Step 6: Final answer
x = 852,061.32
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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.