Finding the Fourth Proportional to 1,078,455.05, 1,617,683.11 and 368,490.05
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Solution
The fourth proportional to 1,078,455.05, 1,617,683.11 and 368,490.05 is: 552,735.26
Step by Step Solution
- Step 1: Write the proportion equation
1,078,455.05 : 1,617,683.11 = 368,490.05 : x - Step 2: Convert to fraction form
1,078,455.05/1,617,683.11 = 368,490.05/x - Step 3: Cross multiply
1,078,455.05x = 1,617,683.11 × 368,490.05 - Step 4: Simplify right side
1,078,455.05x = 596,100,130,088.06 - Step 5: Solve for x
x = 596,100,130,088.06/1,078,455.05 - Step 6: Final answer
x = 552,735.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.