Finding the Fourth Proportional to 1,246,257.51, 1,868,638.80 and 571,493.52
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Solution
The fourth proportional to 1,246,257.51, 1,868,638.80 and 571,493.52 is: 856,897.52
Step by Step Solution
- Step 1: Write the proportion equation
1,246,257.51 : 1,868,638.80 = 571,493.52 : x - Step 2: Convert to fraction form
1,246,257.51/1,868,638.80 = 571,493.52/x - Step 3: Cross multiply
1,246,257.51x = 1,868,638.80 × 571,493.52 - Step 4: Simplify right side
1,246,257.51x = 1,067,914,965,420.58 - Step 5: Solve for x
x = 1,067,914,965,420.58/1,246,257.51 - Step 6: Final answer
x = 856,897.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.