Finding the Fourth Proportional to 1,409,394.90, 1,944,970.06 and 764,815.08
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Solution
The fourth proportional to 1,409,394.90, 1,944,970.06 and 764,815.08 is: 1,055,447.58
Step by Step Solution
- Step 1: Write the proportion equation
1,409,394.90 : 1,944,970.06 = 764,815.08 : x - Step 2: Convert to fraction form
1,409,394.90/1,944,970.06 = 764,815.08/x - Step 3: Cross multiply
1,409,394.90x = 1,944,970.06 × 764,815.08 - Step 4: Simplify right side
1,409,394.90x = 1,487,542,432,036.51 - Step 5: Solve for x
x = 1,487,542,432,036.51/1,409,394.90 - Step 6: Final answer
x = 1,055,447.58
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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.