Finding the Fourth Proportional to 1,207,263.13, 1,666,113.37 and 748,466.98
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Solution
The fourth proportional to 1,207,263.13, 1,666,113.37 and 748,466.98 is: 1,032,940.38
Step by Step Solution
- Step 1: Write the proportion equation
1,207,263.13 : 1,666,113.37 = 748,466.98 : x - Step 2: Convert to fraction form
1,207,263.13/1,666,113.37 = 748,466.98/x - Step 3: Cross multiply
1,207,263.13x = 1,666,113.37 × 748,466.98 - Step 4: Simplify right side
1,207,263.13x = 1,247,030,836,345.07 - Step 5: Solve for x
x = 1,247,030,836,345.07/1,207,263.13 - Step 6: Final answer
x = 1,032,940.38
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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.