Finding the Fourth Proportional to 1,238,465.08, 1,709,101.38 and 694,721.80
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Solution
The fourth proportional to 1,238,465.08, 1,709,101.38 and 694,721.80 is: 958,727.06
Step by Step Solution
- Step 1: Write the proportion equation
1,238,465.08 : 1,709,101.38 = 694,721.80 : x - Step 2: Convert to fraction form
1,238,465.08/1,709,101.38 = 694,721.80/x - Step 3: Cross multiply
1,238,465.08x = 1,709,101.38 × 694,721.80 - Step 4: Simplify right side
1,238,465.08x = 1,187,349,987,096.08 - Step 5: Solve for x
x = 1,187,349,987,096.08/1,238,465.08 - Step 6: Final answer
x = 958,727.06
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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.