Finding the Fourth Proportional to 1,221,668.98, 1,831,372.28 and 452,738.62
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Solution
The fourth proportional to 1,221,668.98, 1,831,372.28 and 452,738.62 is: 678,688.72
Step by Step Solution
- Step 1: Write the proportion equation
1,221,668.98 : 1,831,372.28 = 452,738.62 : x - Step 2: Convert to fraction form
1,221,668.98/1,831,372.28 = 452,738.62/x - Step 3: Cross multiply
1,221,668.98x = 1,831,372.28 × 452,738.62 - Step 4: Simplify right side
1,221,668.98x = 829,132,952,721.93 - Step 5: Solve for x
x = 829,132,952,721.93/1,221,668.98 - Step 6: Final answer
x = 678,688.72
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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.