Finding the Fourth Proportional to 1,031,358.16, 1,423,247.57 and 572,449.01
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Solution
The fourth proportional to 1,031,358.16, 1,423,247.57 and 572,449.01 is: 789,964.82
Step by Step Solution
- Step 1: Write the proportion equation
1,031,358.16 : 1,423,247.57 = 572,449.01 : x - Step 2: Convert to fraction form
1,031,358.16/1,423,247.57 = 572,449.01/x - Step 3: Cross multiply
1,031,358.16x = 1,423,247.57 × 572,449.01 - Step 4: Simplify right side
1,031,358.16x = 814,736,662,431.41 - Step 5: Solve for x
x = 814,736,662,431.41/1,031,358.16 - Step 6: Final answer
x = 789,964.82
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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.