Finding the Fourth Proportional to 1,312,793.90, 1,811,630.49 and 739,822.58
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Solution
The fourth proportional to 1,312,793.90, 1,811,630.49 and 739,822.58 is: 1,020,941.02
Step by Step Solution
- Step 1: Write the proportion equation
1,312,793.90 : 1,811,630.49 = 739,822.58 : x - Step 2: Convert to fraction form
1,312,793.90/1,811,630.49 = 739,822.58/x - Step 3: Cross multiply
1,312,793.90x = 1,811,630.49 × 739,822.58 - Step 4: Simplify right side
1,312,793.90x = 1,340,285,134,060.31 - Step 5: Solve for x
x = 1,340,285,134,060.31/1,312,793.90 - Step 6: Final answer
x = 1,020,941.02
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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.