Finding the Fourth Proportional to 1,201,684.10, 1,658,328.63 and 657,870.49
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Solution
The fourth proportional to 1,201,684.10, 1,658,328.63 and 657,870.49 is: 907,863.77
Step by Step Solution
- Step 1: Write the proportion equation
1,201,684.10 : 1,658,328.63 = 657,870.49 : x - Step 2: Convert to fraction form
1,201,684.10/1,658,328.63 = 657,870.49/x - Step 3: Cross multiply
1,201,684.10x = 1,658,328.63 × 657,870.49 - Step 4: Simplify right side
1,201,684.10x = 1,090,965,460,107.49 - Step 5: Solve for x
x = 1,090,965,460,107.49/1,201,684.10 - Step 6: Final answer
x = 907,863.77
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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.