Finding the Fourth Proportional to 1,031,772.35, 1,423,776.45 and 572,863.21
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Solution
The fourth proportional to 1,031,772.35, 1,423,776.45 and 572,863.21 is: 790,512.70
Step by Step Solution
- Step 1: Write the proportion equation
1,031,772.35 : 1,423,776.45 = 572,863.21 : x - Step 2: Convert to fraction form
1,031,772.35/1,423,776.45 = 572,863.21/x - Step 3: Cross multiply
1,031,772.35x = 1,423,776.45 × 572,863.21 - Step 4: Simplify right side
1,031,772.35x = 815,629,143,909.96 - Step 5: Solve for x
x = 815,629,143,909.96/1,031,772.35 - Step 6: Final answer
x = 790,512.70
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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.