Finding the Fourth Proportional to 1,272,564.06, 1,908,746.84 and 739,745.24
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Solution
The fourth proportional to 1,272,564.06, 1,908,746.84 and 739,745.24 is: 1,109,560.17
Step by Step Solution
- Step 1: Write the proportion equation
1,272,564.06 : 1,908,746.84 = 739,745.24 : x - Step 2: Convert to fraction form
1,272,564.06/1,908,746.84 = 739,745.24/x - Step 3: Cross multiply
1,272,564.06x = 1,908,746.84 × 739,745.24 - Step 4: Simplify right side
1,272,564.06x = 1,411,986,389,255.04 - Step 5: Solve for x
x = 1,411,986,389,255.04/1,272,564.06 - Step 6: Final answer
x = 1,109,560.17
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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.