Finding the Fourth Proportional to 1,121,554.08, 1,549,768.20 and 798,703.68
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Solution
The fourth proportional to 1,121,554.08, 1,549,768.20 and 798,703.68 is: 1,103,652.14
Step by Step Solution
- Step 1: Write the proportion equation
1,121,554.08 : 1,549,768.20 = 798,703.68 : x - Step 2: Convert to fraction form
1,121,554.08/1,549,768.20 = 798,703.68/x - Step 3: Cross multiply
1,121,554.08x = 1,549,768.20 × 798,703.68 - Step 4: Simplify right side
1,121,554.08x = 1,237,805,564,486.98 - Step 5: Solve for x
x = 1,237,805,564,486.98/1,121,554.08 - Step 6: Final answer
x = 1,103,652.14
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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.