Finding the Fourth Proportional to 1,127,114.30, 1,555,477.36 and 617,838.14
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Solution
The fourth proportional to 1,127,114.30, 1,555,477.36 and 617,838.14 is: 852,649.32
Step by Step Solution
- Step 1: Write the proportion equation
1,127,114.30 : 1,555,477.36 = 617,838.14 : x - Step 2: Convert to fraction form
1,127,114.30/1,555,477.36 = 617,838.14/x - Step 3: Cross multiply
1,127,114.30x = 1,555,477.36 × 617,838.14 - Step 4: Simplify right side
1,127,114.30x = 961,033,238,914.51 - Step 5: Solve for x
x = 961,033,238,914.51/1,127,114.30 - Step 6: Final answer
x = 852,649.32
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1.5x scale
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.