Finding the Fourth Proportional to 1,102,354.08, 1,521,415.08 and 672,884.16
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Solution
The fourth proportional to 1,102,354.08, 1,521,415.08 and 672,884.16 is: 928,681.74
Step by Step Solution
- Step 1: Write the proportion equation
1,102,354.08 : 1,521,415.08 = 672,884.16 : x - Step 2: Convert to fraction form
1,102,354.08/1,521,415.08 = 672,884.16/x - Step 3: Cross multiply
1,102,354.08x = 1,521,415.08 × 672,884.16 - Step 4: Simplify right side
1,102,354.08x = 1,023,736,108,117.13 - Step 5: Solve for x
x = 1,023,736,108,117.13/1,102,354.08 - Step 6: Final answer
x = 928,681.74
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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.