Finding the Fourth Proportional to 1,088,621.99, 1,502,349.62 and 605,195.21
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Solution
The fourth proportional to 1,088,621.99, 1,502,349.62 and 605,195.21 is: 835,197.89
Step by Step Solution
- Step 1: Write the proportion equation
1,088,621.99 : 1,502,349.62 = 605,195.21 : x - Step 2: Convert to fraction form
1,088,621.99/1,502,349.62 = 605,195.21/x - Step 3: Cross multiply
1,088,621.99x = 1,502,349.62 × 605,195.21 - Step 4: Simplify right side
1,088,621.99x = 909,214,788,865.41 - Step 5: Solve for x
x = 909,214,788,865.41/1,088,621.99 - Step 6: Final answer
x = 835,197.89
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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.