Finding the Fourth Proportional to 1,031,620.84, 1,423,572.70 and 572,708.65
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Solution
The fourth proportional to 1,031,620.84, 1,423,572.70 and 572,708.65 is: 790,302.37
Step by Step Solution
- Step 1: Write the proportion equation
1,031,620.84 : 1,423,572.70 = 572,708.65 : x - Step 2: Convert to fraction form
1,031,620.84/1,423,572.70 = 572,708.65/x - Step 3: Cross multiply
1,031,620.84x = 1,423,572.70 × 572,708.65 - Step 4: Simplify right side
1,031,620.84x = 815,292,399,193.86 - Step 5: Solve for x
x = 815,292,399,193.86/1,031,620.84 - Step 6: Final answer
x = 790,302.37
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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.