Finding the Fourth Proportional to 1,291,485.84, 1,937,664.72 and 571,728.26
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Solution
The fourth proportional to 1,291,485.84, 1,937,664.72 and 571,728.26 is: 857,785.38
Step by Step Solution
- Step 1: Write the proportion equation
1,291,485.84 : 1,937,664.72 = 571,728.26 : x - Step 2: Convert to fraction form
1,291,485.84/1,937,664.72 = 571,728.26/x - Step 3: Cross multiply
1,291,485.84x = 1,937,664.72 × 571,728.26 - Step 4: Simplify right side
1,291,485.84x = 1,107,817,672,773.78 - Step 5: Solve for x
x = 1,107,817,672,773.78/1,291,485.84 - Step 6: Final answer
x = 857,785.38
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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.