Finding the Fourth Proportional to 1,038,670.48, 1,553,907.12 and 786,679.12
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Solution
The fourth proportional to 1,038,670.48, 1,553,907.12 and 786,679.12 is: 1,176,914.44
Step by Step Solution
- Step 1: Write the proportion equation
1,038,670.48 : 1,553,907.12 = 786,679.12 : x - Step 2: Convert to fraction form
1,038,670.48/1,553,907.12 = 786,679.12/x - Step 3: Cross multiply
1,038,670.48x = 1,553,907.12 × 786,679.12 - Step 4: Simplify right side
1,038,670.48x = 1,222,426,285,723.33 - Step 5: Solve for x
x = 1,222,426,285,723.33/1,038,670.48 - Step 6: Final answer
x = 1,176,914.44
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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.