Finding the Fourth Proportional to 1,056,328.29, 1,456,035.35 and 826,489.17
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Solution
The fourth proportional to 1,056,328.29, 1,456,035.35 and 826,489.17 is: 1,139,226.75
Step by Step Solution
- Step 1: Write the proportion equation
1,056,328.29 : 1,456,035.35 = 826,489.17 : x - Step 2: Convert to fraction form
1,056,328.29/1,456,035.35 = 826,489.17/x - Step 3: Cross multiply
1,056,328.29x = 1,456,035.35 × 826,489.17 - Step 4: Simplify right side
1,056,328.29x = 1,203,397,443,779.71 - Step 5: Solve for x
x = 1,203,397,443,779.71/1,056,328.29 - Step 6: Final answer
x = 1,139,226.75
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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.