Finding the Fourth Proportional to 1,124,876.24, 1,552,326.36 and 615,574.16
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Solution
The fourth proportional to 1,124,876.24, 1,552,326.36 and 615,574.16 is: 849,490.78
Step by Step Solution
- Step 1: Write the proportion equation
1,124,876.24 : 1,552,326.36 = 615,574.16 : x - Step 2: Convert to fraction form
1,124,876.24/1,552,326.36 = 615,574.16/x - Step 3: Cross multiply
1,124,876.24x = 1,552,326.36 × 615,574.16 - Step 4: Simplify right side
1,124,876.24x = 955,571,995,102.86 - Step 5: Solve for x
x = 955,571,995,102.86/1,124,876.24 - Step 6: Final answer
x = 849,490.78
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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.