Finding the Fourth Proportional to 1,031,302.15, 1,423,175.52 and 572,389.80
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Solution
The fourth proportional to 1,031,302.15, 1,423,175.52 and 572,389.80 is: 789,886.02
Step by Step Solution
- Step 1: Write the proportion equation
1,031,302.15 : 1,423,175.52 = 572,389.80 : x - Step 2: Convert to fraction form
1,031,302.15/1,423,175.52 = 572,389.80/x - Step 3: Cross multiply
1,031,302.15x = 1,423,175.52 × 572,389.80 - Step 4: Simplify right side
1,031,302.15x = 814,611,144,847.56 - Step 5: Solve for x
x = 814,611,144,847.56/1,031,302.15 - Step 6: Final answer
x = 789,886.02
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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.