Finding the Fourth Proportional to 1,031,201.76, 1,423,068.14 and 578,502.48
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Solution
The fourth proportional to 1,031,201.76, 1,423,068.14 and 578,502.48 is: 798,338.87
Step by Step Solution
- Step 1: Write the proportion equation
1,031,201.76 : 1,423,068.14 = 578,502.48 : x - Step 2: Convert to fraction form
1,031,201.76/1,423,068.14 = 578,502.48/x - Step 3: Cross multiply
1,031,201.76x = 1,423,068.14 × 578,502.48 - Step 4: Simplify right side
1,031,201.76x = 823,248,448,198.99 - Step 5: Solve for x
x = 823,248,448,198.99/1,031,201.76 - Step 6: Final answer
x = 798,338.87
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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.