Finding the Fourth Proportional to 1,240,576.51, 1,860,553.73 and 907,539.07
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Solution
The fourth proportional to 1,240,576.51, 1,860,553.73 and 907,539.07 is: 1,361,081.06
Step by Step Solution
- Step 1: Write the proportion equation
1,240,576.51 : 1,860,553.73 = 907,539.07 : x - Step 2: Convert to fraction form
1,240,576.51/1,860,553.73 = 907,539.07/x - Step 3: Cross multiply
1,240,576.51x = 1,860,553.73 × 907,539.07 - Step 4: Simplify right side
1,240,576.51x = 1,688,525,197,271.54 - Step 5: Solve for x
x = 1,688,525,197,271.54/1,240,576.51 - Step 6: Final answer
x = 1,361,081.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.