Finding the Fourth Proportional to 1,000,913.91, 1,381,261.91 and 542,032.08
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Solution
The fourth proportional to 1,000,913.91, 1,381,261.91 and 542,032.08 is: 748,004.65
Step by Step Solution
- Step 1: Write the proportion equation
1,000,913.91 : 1,381,261.91 = 542,032.08 : x - Step 2: Convert to fraction form
1,000,913.91/1,381,261.91 = 542,032.08/x - Step 3: Cross multiply
1,000,913.91x = 1,381,261.91 × 542,032.08 - Step 4: Simplify right side
1,000,913.91x = 748,688,263,391.91 - Step 5: Solve for x
x = 748,688,263,391.91/1,000,913.91 - Step 6: Final answer
x = 748,004.65
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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.