Finding the Fourth Proportional to 1,419,639.03, 1,959,018.68 and 774,929.66
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Solution
The fourth proportional to 1,419,639.03, 1,959,018.68 and 774,929.66 is: 1,069,357.52
Step by Step Solution
- Step 1: Write the proportion equation
1,419,639.03 : 1,959,018.68 = 774,929.66 : x - Step 2: Convert to fraction form
1,419,639.03/1,959,018.68 = 774,929.66/x - Step 3: Cross multiply
1,419,639.03x = 1,959,018.68 × 774,929.66 - Step 4: Simplify right side
1,419,639.03x = 1,518,101,671,768.28 - Step 5: Solve for x
x = 1,518,101,671,768.28/1,419,639.03 - Step 6: Final answer
x = 1,069,357.52
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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.