Finding the Fourth Proportional to 1,243,468.08, 1,865,201.94 and 344,909.84
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Solution
The fourth proportional to 1,243,468.08, 1,865,201.94 and 344,909.84 is: 517,364.70
Step by Step Solution
- Step 1: Write the proportion equation
1,243,468.08 : 1,865,201.94 = 344,909.84 : x - Step 2: Convert to fraction form
1,243,468.08/1,865,201.94 = 344,909.84/x - Step 3: Cross multiply
1,243,468.08x = 1,865,201.94 × 344,909.84 - Step 4: Simplify right side
1,243,468.08x = 643,326,493,367.08 - Step 5: Solve for x
x = 643,326,493,367.08/1,243,468.08 - Step 6: Final answer
x = 517,364.70
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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.