Finding the Fourth Proportional to 1,256,943.87, 1,885,433.36 and 358,385.96
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Solution
The fourth proportional to 1,256,943.87, 1,885,433.36 and 358,385.96 is: 537,583.95
Step by Step Solution
- Step 1: Write the proportion equation
1,256,943.87 : 1,885,433.36 = 358,385.96 : x - Step 2: Convert to fraction form
1,256,943.87/1,885,433.36 = 358,385.96/x - Step 3: Cross multiply
1,256,943.87x = 1,885,433.36 × 358,385.96 - Step 4: Simplify right side
1,256,943.87x = 675,712,844,739.63 - Step 5: Solve for x
x = 675,712,844,739.63/1,256,943.87 - Step 6: Final answer
x = 537,583.95
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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.