Finding the Fourth Proportional to 1,312,176.08, 1,810,808.52 and 739,223.12
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Solution
The fourth proportional to 1,312,176.08, 1,810,808.52 and 739,223.12 is: 1,020,131.02
Step by Step Solution
- Step 1: Write the proportion equation
1,312,176.08 : 1,810,808.52 = 739,223.12 : x - Step 2: Convert to fraction form
1,312,176.08/1,810,808.52 = 739,223.12/x - Step 3: Cross multiply
1,312,176.08x = 1,810,808.52 × 739,223.12 - Step 4: Simplify right side
1,312,176.08x = 1,338,591,523,876.98 - Step 5: Solve for x
x = 1,338,591,523,876.98/1,312,176.08 - Step 6: Final answer
x = 1,020,131.02
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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.