Finding the Fourth Proportional to 1,124,329.56, 1,551,326.18 and 688,838.92
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Solution
The fourth proportional to 1,124,329.56, 1,551,326.18 and 688,838.92 is: 950,445.39
Step by Step Solution
- Step 1: Write the proportion equation
1,124,329.56 : 1,551,326.18 = 688,838.92 : x - Step 2: Convert to fraction form
1,124,329.56/1,551,326.18 = 688,838.92/x - Step 3: Cross multiply
1,124,329.56x = 1,551,326.18 × 688,838.92 - Step 4: Simplify right side
1,124,329.56x = 1,068,613,850,398.93 - Step 5: Solve for x
x = 1,068,613,850,398.93/1,124,329.56 - Step 6: Final answer
x = 950,445.39
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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.