Finding the Fourth Proportional to 1,192,908.18, 1,646,200.53 and 709,462.74
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Solution
The fourth proportional to 1,192,908.18, 1,646,200.53 and 709,462.74 is: 979,050.99
Step by Step Solution
- Step 1: Write the proportion equation
1,192,908.18 : 1,646,200.53 = 709,462.74 : x - Step 2: Convert to fraction form
1,192,908.18/1,646,200.53 = 709,462.74/x - Step 3: Cross multiply
1,192,908.18x = 1,646,200.53 × 709,462.74 - Step 4: Simplify right side
1,192,908.18x = 1,167,917,938,603.25 - Step 5: Solve for x
x = 1,167,917,938,603.25/1,192,908.18 - Step 6: Final answer
x = 979,050.99
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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.