Finding the Fourth Proportional to 1,026,689.49, 1,539,916.58 and 268,604.12
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Solution
The fourth proportional to 1,026,689.49, 1,539,916.58 and 268,604.12 is: 402,875.39
Step by Step Solution
- Step 1: Write the proportion equation
1,026,689.49 : 1,539,916.58 = 268,604.12 : x - Step 2: Convert to fraction form
1,026,689.49/1,539,916.58 = 268,604.12/x - Step 3: Cross multiply
1,026,689.49x = 1,539,916.58 × 268,604.12 - Step 4: Simplify right side
1,026,689.49x = 413,627,928,801.71 - Step 5: Solve for x
x = 413,627,928,801.71/1,026,689.49 - Step 6: Final answer
x = 402,875.39
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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.