Finding the Fourth Proportional to 1,130,830.30, 1,696,455.56 and 372,724.97
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Solution
The fourth proportional to 1,130,830.30, 1,696,455.56 and 372,724.97 is: 559,156.71
Step by Step Solution
- Step 1: Write the proportion equation
1,130,830.30 : 1,696,455.56 = 372,724.97 : x - Step 2: Convert to fraction form
1,130,830.30/1,696,455.56 = 372,724.97/x - Step 3: Cross multiply
1,130,830.30x = 1,696,455.56 × 372,724.97 - Step 4: Simplify right side
1,130,830.30x = 632,311,347,707.33 - Step 5: Solve for x
x = 632,311,347,707.33/1,130,830.30 - Step 6: Final answer
x = 559,156.71
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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.