Finding the Fourth Proportional to 1,142,481.18, 1,577,340.99 and 735,290.58
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Solution
The fourth proportional to 1,142,481.18, 1,577,340.99 and 735,290.58 is: 1,015,162.43
Step by Step Solution
- Step 1: Write the proportion equation
1,142,481.18 : 1,577,340.99 = 735,290.58 : x - Step 2: Convert to fraction form
1,142,481.18/1,577,340.99 = 735,290.58/x - Step 3: Cross multiply
1,142,481.18x = 1,577,340.99 × 735,290.58 - Step 4: Simplify right side
1,142,481.18x = 1,159,803,971,394.87 - Step 5: Solve for x
x = 1,159,803,971,394.87/1,142,481.18 - Step 6: Final answer
x = 1,015,162.43
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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.