Finding the Fourth Proportional to 1,316,946.86, 1,817,376.99 and 743,976.62
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Solution
The fourth proportional to 1,316,946.86, 1,817,376.99 and 743,976.62 is: 1,026,682.27
Step by Step Solution
- Step 1: Write the proportion equation
1,316,946.86 : 1,817,376.99 = 743,976.62 : x - Step 2: Convert to fraction form
1,316,946.86/1,817,376.99 = 743,976.62/x - Step 3: Cross multiply
1,316,946.86x = 1,817,376.99 × 743,976.62 - Step 4: Simplify right side
1,316,946.86x = 1,352,085,990,285.97 - Step 5: Solve for x
x = 1,352,085,990,285.97/1,316,946.86 - Step 6: Final answer
x = 1,026,682.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.