Finding the Fourth Proportional to 1,086,356.14, 1,499,101.63 and 602,921.62
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Solution
The fourth proportional to 1,086,356.14, 1,499,101.63 and 602,921.62 is: 831,993.07
Step by Step Solution
- Step 1: Write the proportion equation
1,086,356.14 : 1,499,101.63 = 602,921.62 : x - Step 2: Convert to fraction form
1,086,356.14/1,499,101.63 = 602,921.62/x - Step 3: Cross multiply
1,086,356.14x = 1,499,101.63 × 602,921.62 - Step 4: Simplify right side
1,086,356.14x = 903,840,783,304.24 - Step 5: Solve for x
x = 903,840,783,304.24/1,086,356.14 - Step 6: Final answer
x = 831,993.07
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1.5x scale
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.