Finding the Fourth Proportional to 1,015,310.18, 1,400,757.35 and 607,423.74
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Solution
The fourth proportional to 1,015,310.18, 1,400,757.35 and 607,423.74 is: 838,022.99
Step by Step Solution
- Step 1: Write the proportion equation
1,015,310.18 : 1,400,757.35 = 607,423.74 : x - Step 2: Convert to fraction form
1,015,310.18/1,400,757.35 = 607,423.74/x - Step 3: Cross multiply
1,015,310.18x = 1,400,757.35 × 607,423.74 - Step 4: Simplify right side
1,015,310.18x = 850,853,265,332.37 - Step 5: Solve for x
x = 850,853,265,332.37/1,015,310.18 - Step 6: Final answer
x = 838,022.99
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1.5x scale
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.