Finding the Fourth Proportional to 1,149,862.79, 1,575,317.64 and 1,106,765.91
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Solution
The fourth proportional to 1,149,862.79, 1,575,317.64 and 1,106,765.91 is: 1,516,274.70
Step by Step Solution
- Step 1: Write the proportion equation
1,149,862.79 : 1,575,317.64 = 1,106,765.91 : x - Step 2: Convert to fraction form
1,149,862.79/1,575,317.64 = 1,106,765.91/x - Step 3: Cross multiply
1,149,862.79x = 1,575,317.64 × 1,106,765.91 - Step 4: Simplify right side
1,149,862.79x = 1,743,507,853,497.06 - Step 5: Solve for x
x = 1,743,507,853,497.06/1,149,862.79 - Step 6: Final answer
x = 1,516,274.70
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.