Finding the Fourth Proportional to 1,219,739.24, 1,683,277.05 and 675,824.14
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Solution
The fourth proportional to 1,219,739.24, 1,683,277.05 and 675,824.14 is: 932,657.76
Step by Step Solution
- Step 1: Write the proportion equation
1,219,739.24 : 1,683,277.05 = 675,824.14 : x - Step 2: Convert to fraction form
1,219,739.24/1,683,277.05 = 675,824.14/x - Step 3: Cross multiply
1,219,739.24x = 1,683,277.05 × 675,824.14 - Step 4: Simplify right side
1,219,739.24x = 1,137,599,265,534.91 - Step 5: Solve for x
x = 1,137,599,265,534.91/1,219,739.24 - Step 6: Final answer
x = 932,657.76
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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.