Finding the Fourth Proportional to 1,773,658.79, 2,660,774.75 and 749,143.08
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Solution
The fourth proportional to 1,773,658.79, 2,660,774.75 and 749,143.08 is: 1,123,835.66
Step by Step Solution
- Step 1: Write the proportion equation
1,773,658.79 : 2,660,774.75 = 749,143.08 : x - Step 2: Convert to fraction form
1,773,658.79/2,660,774.75 = 749,143.08/x - Step 3: Cross multiply
1,773,658.79x = 2,660,774.75 × 749,143.08 - Step 4: Simplify right side
1,773,658.79x = 1,993,300,987,655.51 - Step 5: Solve for x
x = 1,993,300,987,655.51/1,773,658.79 - Step 6: Final answer
x = 1,123,835.66
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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.