Finding the Fourth Proportional to 1,128,278.83, 1,692,418.09 and 529,239.99
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Solution
The fourth proportional to 1,128,278.83, 1,692,418.09 and 529,239.99 is: 793,859.91
Step by Step Solution
- Step 1: Write the proportion equation
1,128,278.83 : 1,692,418.09 = 529,239.99 : x - Step 2: Convert to fraction form
1,128,278.83/1,692,418.09 = 529,239.99/x - Step 3: Cross multiply
1,128,278.83x = 1,692,418.09 × 529,239.99 - Step 4: Simplify right side
1,128,278.83x = 895,695,330,740.42 - Step 5: Solve for x
x = 895,695,330,740.42/1,128,278.83 - Step 6: Final answer
x = 793,859.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.