Finding the Fourth Proportional to 1,127,054.79, 1,555,495.11 and 697,473.32
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Solution
The fourth proportional to 1,127,054.79, 1,555,495.11 and 697,473.32 is: 962,611.88
Step by Step Solution
- Step 1: Write the proportion equation
1,127,054.79 : 1,555,495.11 = 697,473.32 : x - Step 2: Convert to fraction form
1,127,054.79/1,555,495.11 = 697,473.32/x - Step 3: Cross multiply
1,127,054.79x = 1,555,495.11 × 697,473.32 - Step 4: Simplify right side
1,127,054.79x = 1,084,916,330,837.99 - Step 5: Solve for x
x = 1,084,916,330,837.99/1,127,054.79 - Step 6: Final answer
x = 962,611.88
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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.