Finding the Fourth Proportional to 1,124,416.19, 1,551,706.59 and 615,107.63
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Solution
The fourth proportional to 1,124,416.19, 1,551,706.59 and 615,107.63 is: 848,855.23
Step by Step Solution
- Step 1: Write the proportion equation
1,124,416.19 : 1,551,706.59 = 615,107.63 : x - Step 2: Convert to fraction form
1,124,416.19/1,551,706.59 = 615,107.63/x - Step 3: Cross multiply
1,124,416.19x = 1,551,706.59 × 615,107.63 - Step 4: Simplify right side
1,124,416.19x = 954,466,555,271.75 - Step 5: Solve for x
x = 954,466,555,271.75/1,124,416.19 - Step 6: Final answer
x = 848,855.23
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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.