Finding the Fourth Proportional to 1,404,258.12, 2,106,605.88 and 457,408.62
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Solution
The fourth proportional to 1,404,258.12, 2,106,605.88 and 457,408.62 is: 686,184.17
Step by Step Solution
- Step 1: Write the proportion equation
1,404,258.12 : 2,106,605.88 = 457,408.62 : x - Step 2: Convert to fraction form
1,404,258.12/2,106,605.88 = 457,408.62/x - Step 3: Cross multiply
1,404,258.12x = 2,106,605.88 × 457,408.62 - Step 4: Simplify right side
1,404,258.12x = 963,579,688,454.69 - Step 5: Solve for x
x = 963,579,688,454.69/1,404,258.12 - Step 6: Final answer
x = 686,184.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.