Finding the Fourth Proportional to 1,083,448.36, 1,495,407.59 and 720,887.50
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Solution
The fourth proportional to 1,083,448.36, 1,495,407.59 and 720,887.50 is: 994,990.33
Step by Step Solution
- Step 1: Write the proportion equation
1,083,448.36 : 1,495,407.59 = 720,887.50 : x - Step 2: Convert to fraction form
1,083,448.36/1,495,407.59 = 720,887.50/x - Step 3: Cross multiply
1,083,448.36x = 1,495,407.59 × 720,887.50 - Step 4: Simplify right side
1,083,448.36x = 1,078,020,639,036.13 - Step 5: Solve for x
x = 1,078,020,639,036.13/1,083,448.36 - Step 6: Final answer
x = 994,990.33
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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.