Finding the Fourth Proportional to 1,130,374.43, 1,559,934.41 and 614,138.55
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Solution
The fourth proportional to 1,130,374.43, 1,559,934.41 and 614,138.55 is: 847,520.81
Step by Step Solution
- Step 1: Write the proportion equation
1,130,374.43 : 1,559,934.41 = 614,138.55 : x - Step 2: Convert to fraction form
1,130,374.43/1,559,934.41 = 614,138.55/x - Step 3: Cross multiply
1,130,374.43x = 1,559,934.41 × 614,138.55 - Step 4: Simplify right side
1,130,374.43x = 958,015,845,782.14 - Step 5: Solve for x
x = 958,015,845,782.14/1,130,374.43 - Step 6: Final answer
x = 847,520.81
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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.