Finding the Fourth Proportional to 1,143,167.19, 1,577,700.63 and 659,862.06
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Solution
The fourth proportional to 1,143,167.19, 1,577,700.63 and 659,862.06 is: 910,684.63
Step by Step Solution
- Step 1: Write the proportion equation
1,143,167.19 : 1,577,700.63 = 659,862.06 : x - Step 2: Convert to fraction form
1,143,167.19/1,577,700.63 = 659,862.06/x - Step 3: Cross multiply
1,143,167.19x = 1,577,700.63 × 659,862.06 - Step 4: Simplify right side
1,143,167.19x = 1,041,064,787,775.10 - Step 5: Solve for x
x = 1,041,064,787,775.10/1,143,167.19 - Step 6: Final answer
x = 910,684.63
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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.