Finding the Fourth Proportional to 1,316,164.74, 1,816,140.44 and 772,102.02
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Solution
The fourth proportional to 1,316,164.74, 1,816,140.44 and 772,102.02 is: 1,065,402.88
Step by Step Solution
- Step 1: Write the proportion equation
1,316,164.74 : 1,816,140.44 = 772,102.02 : x - Step 2: Convert to fraction form
1,316,164.74/1,816,140.44 = 772,102.02/x - Step 3: Cross multiply
1,316,164.74x = 1,816,140.44 × 772,102.02 - Step 4: Simplify right side
1,316,164.74x = 1,402,245,702,327.69 - Step 5: Solve for x
x = 1,402,245,702,327.69/1,316,164.74 - Step 6: Final answer
x = 1,065,402.88
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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.