Finding the Fourth Proportional to 1,095,844.84, 1,512,290.66 and 643,462.12
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Solution
The fourth proportional to 1,095,844.84, 1,512,290.66 and 643,462.12 is: 887,992.28
Step by Step Solution
- Step 1: Write the proportion equation
1,095,844.84 : 1,512,290.66 = 643,462.12 : x - Step 2: Convert to fraction form
1,095,844.84/1,512,290.66 = 643,462.12/x - Step 3: Cross multiply
1,095,844.84x = 1,512,290.66 × 643,462.12 - Step 4: Simplify right side
1,095,844.84x = 973,101,754,139.80 - Step 5: Solve for x
x = 973,101,754,139.80/1,095,844.84 - Step 6: Final answer
x = 887,992.28
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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.