Finding the Fourth Proportional to 1,132,916.08, 1,562,627.80 and 745,608.08
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Solution
The fourth proportional to 1,132,916.08, 1,562,627.80 and 745,608.08 is: 1,028,415.02
Step by Step Solution
- Step 1: Write the proportion equation
1,132,916.08 : 1,562,627.80 = 745,608.08 : x - Step 2: Convert to fraction form
1,132,916.08/1,562,627.80 = 745,608.08/x - Step 3: Cross multiply
1,132,916.08x = 1,562,627.80 × 745,608.08 - Step 4: Simplify right side
1,132,916.08x = 1,165,107,913,712.62 - Step 5: Solve for x
x = 1,165,107,913,712.62/1,132,916.08 - Step 6: Final answer
x = 1,028,415.02
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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.