Finding the Fourth Proportional to 1,037,054.24, 1,430,043.61 and 818,900.99
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Solution
The fourth proportional to 1,037,054.24, 1,430,043.61 and 818,900.99 is: 1,129,221.68
Step by Step Solution
- Step 1: Write the proportion equation
1,037,054.24 : 1,430,043.61 = 818,900.99 : x - Step 2: Convert to fraction form
1,037,054.24/1,430,043.61 = 818,900.99/x - Step 3: Cross multiply
1,037,054.24x = 1,430,043.61 × 818,900.99 - Step 4: Simplify right side
1,037,054.24x = 1,171,064,125,672.81 - Step 5: Solve for x
x = 1,171,064,125,672.81/1,037,054.24 - Step 6: Final answer
x = 1,129,221.68
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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.