Finding the Fourth Proportional to 1,130,122.21, 1,559,596.77 and 613,875.94
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Solution
The fourth proportional to 1,130,122.21, 1,559,596.77 and 613,875.94 is: 847,164.07
Step by Step Solution
- Step 1: Write the proportion equation
1,130,122.21 : 1,559,596.77 = 613,875.94 : x - Step 2: Convert to fraction form
1,130,122.21/1,559,596.77 = 613,875.94/x - Step 3: Cross multiply
1,130,122.21x = 1,559,596.77 × 613,875.94 - Step 4: Simplify right side
1,130,122.21x = 957,398,922,337.35 - Step 5: Solve for x
x = 957,398,922,337.35/1,130,122.21 - Step 6: Final answer
x = 847,164.07
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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.