Finding the Fourth Proportional to 1,132,581.92, 1,562,959.68 and 623,283.92
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Solution
The fourth proportional to 1,132,581.92, 1,562,959.68 and 623,283.92 is: 860,129.96
Step by Step Solution
- Step 1: Write the proportion equation
1,132,581.92 : 1,562,959.68 = 623,283.92 : x - Step 2: Convert to fraction form
1,132,581.92/1,562,959.68 = 623,283.92/x - Step 3: Cross multiply
1,132,581.92x = 1,562,959.68 × 623,283.92 - Step 4: Simplify right side
1,132,581.92x = 974,167,636,152.35 - Step 5: Solve for x
x = 974,167,636,152.35/1,132,581.92 - Step 6: Final answer
x = 860,129.96
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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.