Finding the Fourth Proportional to 1,132,243.08, 1,562,238.90 and 826,486.08
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Solution
The fourth proportional to 1,132,243.08, 1,562,238.90 and 826,486.08 is: 1,140,363.52
Step by Step Solution
- Step 1: Write the proportion equation
1,132,243.08 : 1,562,238.90 = 826,486.08 : x - Step 2: Convert to fraction form
1,132,243.08/1,562,238.90 = 826,486.08/x - Step 3: Cross multiply
1,132,243.08x = 1,562,238.90 × 826,486.08 - Step 4: Simplify right side
1,132,243.08x = 1,291,168,704,484.51 - Step 5: Solve for x
x = 1,291,168,704,484.51/1,132,243.08 - Step 6: Final answer
x = 1,140,363.52
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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.