Finding the Fourth Proportional to 1,355,454.72, 2,031,860.16 and 645,292.08
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Solution
The fourth proportional to 1,355,454.72, 2,031,860.16 and 645,292.08 is: 967,308.79
Step by Step Solution
- Step 1: Write the proportion equation
1,355,454.72 : 2,031,860.16 = 645,292.08 : x - Step 2: Convert to fraction form
1,355,454.72/2,031,860.16 = 645,292.08/x - Step 3: Cross multiply
1,355,454.72x = 2,031,860.16 × 645,292.08 - Step 4: Simplify right side
1,355,454.72x = 1,311,143,268,915.53 - Step 5: Solve for x
x = 1,311,143,268,915.53/1,355,454.72 - Step 6: Final answer
x = 967,308.79
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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.