Finding the Fourth Proportional to 1,133,625.92, 1,564,270.80 and 643,562.96
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Solution
The fourth proportional to 1,133,625.92, 1,564,270.80 and 643,562.96 is: 888,041.40
Step by Step Solution
- Step 1: Write the proportion equation
1,133,625.92 : 1,564,270.80 = 643,562.96 : x - Step 2: Convert to fraction form
1,133,625.92/1,564,270.80 = 643,562.96/x - Step 3: Cross multiply
1,133,625.92x = 1,564,270.80 × 643,562.96 - Step 4: Simplify right side
1,133,625.92x = 1,006,706,746,289.57 - Step 5: Solve for x
x = 1,006,706,746,289.57/1,133,625.92 - Step 6: Final answer
x = 888,041.40
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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.