Finding the Fourth Proportional to 1,036,319.75, 1,553,811.64 and 437,120.63
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Solution
The fourth proportional to 1,036,319.75, 1,553,811.64 and 437,120.63 is: 655,399.19
Step by Step Solution
- Step 1: Write the proportion equation
1,036,319.75 : 1,553,811.64 = 437,120.63 : x - Step 2: Convert to fraction form
1,036,319.75/1,553,811.64 = 437,120.63/x - Step 3: Cross multiply
1,036,319.75x = 1,553,811.64 × 437,120.63 - Step 4: Simplify right side
1,036,319.75x = 679,203,122,978.13 - Step 5: Solve for x
x = 679,203,122,978.13/1,036,319.75 - Step 6: Final answer
x = 655,399.19
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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.