Finding the Fourth Proportional to 1,031,318.08, 1,423,198.68 and 572,438.16
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Solution
The fourth proportional to 1,031,318.08, 1,423,198.68 and 572,438.16 is: 789,953.40
Step by Step Solution
- Step 1: Write the proportion equation
1,031,318.08 : 1,423,198.68 = 572,438.16 : x - Step 2: Convert to fraction form
1,031,318.08/1,423,198.68 = 572,438.16/x - Step 3: Cross multiply
1,031,318.08x = 1,423,198.68 × 572,438.16 - Step 4: Simplify right side
1,031,318.08x = 814,693,228,153.54 - Step 5: Solve for x
x = 814,693,228,153.54/1,031,318.08 - Step 6: Final answer
x = 789,953.40
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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.