Finding the Fourth Proportional to 1,326,089.07, 1,831,392.48 and 913,698.23
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Solution
The fourth proportional to 1,326,089.07, 1,831,392.48 and 913,698.23 is: 1,261,860.99
Step by Step Solution
- Step 1: Write the proportion equation
1,326,089.07 : 1,831,392.48 = 913,698.23 : x - Step 2: Convert to fraction form
1,326,089.07/1,831,392.48 = 913,698.23/x - Step 3: Cross multiply
1,326,089.07x = 1,831,392.48 × 913,698.23 - Step 4: Simplify right side
1,326,089.07x = 1,673,340,061,680.72 - Step 5: Solve for x
x = 1,673,340,061,680.72/1,326,089.07 - Step 6: Final answer
x = 1,261,860.99
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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.