Finding the Fourth Proportional to 1,031,370.48, 1,423,315.80 and 578,694.96
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Solution
The fourth proportional to 1,031,370.48, 1,423,315.80 and 578,694.96 is: 798,612.81
Step by Step Solution
- Step 1: Write the proportion equation
1,031,370.48 : 1,423,315.80 = 578,694.96 : x - Step 2: Convert to fraction form
1,031,370.48/1,423,315.80 = 578,694.96/x - Step 3: Cross multiply
1,031,370.48x = 1,423,315.80 × 578,694.96 - Step 4: Simplify right side
1,031,370.48x = 823,665,679,948.37 - Step 5: Solve for x
x = 823,665,679,948.37/1,031,370.48 - Step 6: Final answer
x = 798,612.81
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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.