Finding the Fourth Proportional to 1,124,519.99, 1,552,037.36 and 665,889.14
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Solution
The fourth proportional to 1,124,519.99, 1,552,037.36 and 665,889.14 is: 919,045.31
Step by Step Solution
- Step 1: Write the proportion equation
1,124,519.99 : 1,552,037.36 = 665,889.14 : x - Step 2: Convert to fraction form
1,124,519.99/1,552,037.36 = 665,889.14/x - Step 3: Cross multiply
1,124,519.99x = 1,552,037.36 × 665,889.14 - Step 4: Simplify right side
1,124,519.99x = 1,033,484,823,448.92 - Step 5: Solve for x
x = 1,033,484,823,448.92/1,124,519.99 - Step 6: Final answer
x = 919,045.31
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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.