Finding the Fourth Proportional to 1,013,531.84, 1,398,451.68 and 605,572.40
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Solution
The fourth proportional to 1,013,531.84, 1,398,451.68 and 605,572.40 is: 835,557.11
Step by Step Solution
- Step 1: Write the proportion equation
1,013,531.84 : 1,398,451.68 = 605,572.40 : x - Step 2: Convert to fraction form
1,013,531.84/1,398,451.68 = 605,572.40/x - Step 3: Cross multiply
1,013,531.84x = 1,398,451.68 × 605,572.40 - Step 4: Simplify right side
1,013,531.84x = 846,863,740,141.63 - Step 5: Solve for x
x = 846,863,740,141.63/1,013,531.84 - Step 6: Final answer
x = 835,557.11
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1.5x scale
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.