Finding the Fourth Proportional to 1,084,615.74, 1,495,992.51 and 716,666.70
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Solution
The fourth proportional to 1,084,615.74, 1,495,992.51 and 716,666.70 is: 988,486.50
Step by Step Solution
- Step 1: Write the proportion equation
1,084,615.74 : 1,495,992.51 = 716,666.70 : x - Step 2: Convert to fraction form
1,084,615.74/1,495,992.51 = 716,666.70/x - Step 3: Cross multiply
1,084,615.74x = 1,495,992.51 × 716,666.70 - Step 4: Simplify right side
1,084,615.74x = 1,072,128,015,366.42 - Step 5: Solve for x
x = 1,072,128,015,366.42/1,084,615.74 - Step 6: Final answer
x = 988,486.50
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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.