Finding the Fourth Proportional to 1,243,409.34, 1,865,113.91 and 344,851.07
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Solution
The fourth proportional to 1,243,409.34, 1,865,113.91 and 344,851.07 is: 517,276.57
Step by Step Solution
- Step 1: Write the proportion equation
1,243,409.34 : 1,865,113.91 = 344,851.07 : x - Step 2: Convert to fraction form
1,243,409.34/1,865,113.91 = 344,851.07/x - Step 3: Cross multiply
1,243,409.34x = 1,865,113.91 × 344,851.07 - Step 4: Simplify right side
1,243,409.34x = 643,186,517,778.75 - Step 5: Solve for x
x = 643,186,517,778.75/1,243,409.34 - Step 6: Final answer
x = 517,276.57
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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.