Finding the Fourth Proportional to 1,124,412.70, 1,551,726.24 and 615,115.08
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Solution
The fourth proportional to 1,124,412.70, 1,551,726.24 and 615,115.08 is: 848,878.89
Step by Step Solution
- Step 1: Write the proportion equation
1,124,412.70 : 1,551,726.24 = 615,115.08 : x - Step 2: Convert to fraction form
1,124,412.70/1,551,726.24 = 615,115.08/x - Step 3: Cross multiply
1,124,412.70x = 1,551,726.24 × 615,115.08 - Step 4: Simplify right side
1,124,412.70x = 954,490,210,255.70 - Step 5: Solve for x
x = 954,490,210,255.70/1,124,412.70 - Step 6: Final answer
x = 848,878.89
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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.