Finding the Fourth Proportional to 1,037,919.36, 1,556,925.36 and 318,209.28
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Solution
The fourth proportional to 1,037,919.36, 1,556,925.36 and 318,209.28 is: 477,328.12
Step by Step Solution
- Step 1: Write the proportion equation
1,037,919.36 : 1,556,925.36 = 318,209.28 : x - Step 2: Convert to fraction form
1,037,919.36/1,556,925.36 = 318,209.28/x - Step 3: Cross multiply
1,037,919.36x = 1,556,925.36 × 318,209.28 - Step 4: Simplify right side
1,037,919.36x = 495,428,097,819.34 - Step 5: Solve for x
x = 495,428,097,819.34/1,037,919.36 - Step 6: Final answer
x = 477,328.12
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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.