Finding the Fourth Proportional to 1,372,138.14, 2,060,092.26 and 698,671.74
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Solution
The fourth proportional to 1,372,138.14, 2,060,092.26 and 698,671.74 is: 1,048,967.45
Step by Step Solution
- Step 1: Write the proportion equation
1,372,138.14 : 2,060,092.26 = 698,671.74 : x - Step 2: Convert to fraction form
1,372,138.14/2,060,092.26 = 698,671.74/x - Step 3: Cross multiply
1,372,138.14x = 2,060,092.26 × 698,671.74 - Step 4: Simplify right side
1,372,138.14x = 1,439,328,243,854.73 - Step 5: Solve for x
x = 1,439,328,243,854.73/1,372,138.14 - Step 6: Final answer
x = 1,048,967.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.