Finding the Fourth Proportional to 1,325,395.90, 1,829,055.09 and 752,445.64
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Solution
The fourth proportional to 1,325,395.90, 1,829,055.09 and 752,445.64 is: 1,038,379.95
Step by Step Solution
- Step 1: Write the proportion equation
1,325,395.90 : 1,829,055.09 = 752,445.64 : x - Step 2: Convert to fraction form
1,325,395.90/1,829,055.09 = 752,445.64/x - Step 3: Cross multiply
1,325,395.90x = 1,829,055.09 × 752,445.64 - Step 4: Simplify right side
1,325,395.90x = 1,376,264,527,790.31 - Step 5: Solve for x
x = 1,376,264,527,790.31/1,325,395.90 - Step 6: Final answer
x = 1,038,379.95
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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.