Finding the Fourth Proportional to 1,124,417.68, 1,551,708.66 and 615,109.12
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Solution
The fourth proportional to 1,124,417.68, 1,551,708.66 and 615,109.12 is: 848,857.29
Step by Step Solution
- Step 1: Write the proportion equation
1,124,417.68 : 1,551,708.66 = 615,109.12 : x - Step 2: Convert to fraction form
1,124,417.68/1,551,708.66 = 615,109.12/x - Step 3: Cross multiply
1,124,417.68x = 1,551,708.66 × 615,109.12 - Step 4: Simplify right side
1,124,417.68x = 954,470,148,348.98 - Step 5: Solve for x
x = 954,470,148,348.98/1,124,417.68 - Step 6: Final answer
x = 848,857.29
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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.