Finding the Fourth Proportional to 1,155,148.08, 1,594,057.68 and 638,868
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Solution
The fourth proportional to 1,155,148.08, 1,594,057.68 and 638,868 is: 881,612.03
Step by Step Solution
- Step 1: Write the proportion equation
1,155,148.08 : 1,594,057.68 = 638,868 : x - Step 2: Convert to fraction form
1,155,148.08/1,594,057.68 = 638,868/x - Step 3: Cross multiply
1,155,148.08x = 1,594,057.68 × 638,868 - Step 4: Simplify right side
1,155,148.08x = 1,018,392,441,906.24 - Step 5: Solve for x
x = 1,018,392,441,906.24/1,155,148.08 - Step 6: Final answer
x = 881,612.03
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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.