Finding the Fourth Proportional to 1,031,631.48, 1,423,753.76 and 578,924.28
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Solution
The fourth proportional to 1,031,631.48, 1,423,753.76 and 578,924.28 is: 798,972.92
Step by Step Solution
- Step 1: Write the proportion equation
1,031,631.48 : 1,423,753.76 = 578,924.28 : x - Step 2: Convert to fraction form
1,031,631.48/1,423,753.76 = 578,924.28/x - Step 3: Cross multiply
1,031,631.48x = 1,423,753.76 × 578,924.28 - Step 4: Simplify right side
1,031,631.48x = 824,245,620,405.29 - Step 5: Solve for x
x = 824,245,620,405.29/1,031,631.48 - Step 6: Final answer
x = 798,972.92
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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.