Finding the Fourth Proportional to 1,312,197.57, 1,810,832.76 and 739,237.59
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Solution
The fourth proportional to 1,312,197.57, 1,810,832.76 and 739,237.59 is: 1,020,147.94
Step by Step Solution
- Step 1: Write the proportion equation
1,312,197.57 : 1,810,832.76 = 739,237.59 : x - Step 2: Convert to fraction form
1,312,197.57/1,810,832.76 = 739,237.59/x - Step 3: Cross multiply
1,312,197.57x = 1,810,832.76 × 739,237.59 - Step 4: Simplify right side
1,312,197.57x = 1,338,635,645,395.45 - Step 5: Solve for x
x = 1,338,635,645,395.45/1,312,197.57 - Step 6: Final answer
x = 1,020,147.94
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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.