Finding the Fourth Proportional to 1,031,216.71, 1,423,057.65 and 572,304.63
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Solution
The fourth proportional to 1,031,216.71, 1,423,057.65 and 572,304.63 is: 789,768.51
Step by Step Solution
- Step 1: Write the proportion equation
1,031,216.71 : 1,423,057.65 = 572,304.63 : x - Step 2: Convert to fraction form
1,031,216.71/1,423,057.65 = 572,304.63/x - Step 3: Cross multiply
1,031,216.71x = 1,423,057.65 × 572,304.63 - Step 4: Simplify right side
1,031,216.71x = 814,422,481,851.92 - Step 5: Solve for x
x = 814,422,481,851.92/1,031,216.71 - Step 6: Final answer
x = 789,768.51
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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.