Finding the Fourth Proportional to 1,029,058.36, 1,420,594.14 and 723,396.76
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Solution
The fourth proportional to 1,029,058.36, 1,420,594.14 and 723,396.76 is: 998,634.52
Step by Step Solution
- Step 1: Write the proportion equation
1,029,058.36 : 1,420,594.14 = 723,396.76 : x - Step 2: Convert to fraction form
1,029,058.36/1,420,594.14 = 723,396.76/x - Step 3: Cross multiply
1,029,058.36x = 1,420,594.14 × 723,396.76 - Step 4: Simplify right side
1,029,058.36x = 1,027,653,198,150.99 - Step 5: Solve for x
x = 1,027,653,198,150.99/1,029,058.36 - Step 6: Final answer
x = 998,634.52
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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.