Finding the Fourth Proportional to 1,254,557.94, 1,881,838.41 and 343,748.19
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Solution
The fourth proportional to 1,254,557.94, 1,881,838.41 and 343,748.19 is: 515,622.70
Step by Step Solution
- Step 1: Write the proportion equation
1,254,557.94 : 1,881,838.41 = 343,748.19 : x - Step 2: Convert to fraction form
1,254,557.94/1,881,838.41 = 343,748.19/x - Step 3: Cross multiply
1,254,557.94x = 1,881,838.41 × 343,748.19 - Step 4: Simplify right side
1,254,557.94x = 646,878,547,309.98 - Step 5: Solve for x
x = 646,878,547,309.98/1,254,557.94 - Step 6: Final answer
x = 515,622.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.