Finding the Fourth Proportional to 1,416,701.76, 1,954,991.40 and 772,108.08
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Solution
The fourth proportional to 1,416,701.76, 1,954,991.40 and 772,108.08 is: 1,065,478.07
Step by Step Solution
- Step 1: Write the proportion equation
1,416,701.76 : 1,954,991.40 = 772,108.08 : x - Step 2: Convert to fraction form
1,416,701.76/1,954,991.40 = 772,108.08/x - Step 3: Cross multiply
1,416,701.76x = 1,954,991.40 × 772,108.08 - Step 4: Simplify right side
1,416,701.76x = 1,509,464,656,270.51 - Step 5: Solve for x
x = 1,509,464,656,270.51/1,416,701.76 - Step 6: Final answer
x = 1,065,478.07
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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.