Finding the Fourth Proportional to 1,490,873.60, 2,057,349.36 and 911,066.24
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Solution
The fourth proportional to 1,490,873.60, 2,057,349.36 and 911,066.24 is: 1,257,237.06
Step by Step Solution
- Step 1: Write the proportion equation
1,490,873.60 : 2,057,349.36 = 911,066.24 : x - Step 2: Convert to fraction form
1,490,873.60/2,057,349.36 = 911,066.24/x - Step 3: Cross multiply
1,490,873.60x = 2,057,349.36 × 911,066.24 - Step 4: Simplify right side
1,490,873.60x = 1,874,381,545,781.61 - Step 5: Solve for x
x = 1,874,381,545,781.61/1,490,873.60 - Step 6: Final answer
x = 1,257,237.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.