Finding the Fourth Proportional to 1,113,977.36, 1,671,030.84 and 315,192.08
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Solution
The fourth proportional to 1,113,977.36, 1,671,030.84 and 315,192.08 is: 472,806.45
Step by Step Solution
- Step 1: Write the proportion equation
1,113,977.36 : 1,671,030.84 = 315,192.08 : x - Step 2: Convert to fraction form
1,113,977.36/1,671,030.84 = 315,192.08/x - Step 3: Cross multiply
1,113,977.36x = 1,671,030.84 × 315,192.08 - Step 4: Simplify right side
1,113,977.36x = 526,695,686,203.75 - Step 5: Solve for x
x = 526,695,686,203.75/1,113,977.36 - Step 6: Final answer
x = 472,806.45
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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.