Finding the Fourth Proportional to 1,248,946.72, 1,723,588.19 and 765,418.44
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Solution
The fourth proportional to 1,248,946.72, 1,723,588.19 and 765,418.44 is: 1,056,303.01
Step by Step Solution
- Step 1: Write the proportion equation
1,248,946.72 : 1,723,588.19 = 765,418.44 : x - Step 2: Convert to fraction form
1,248,946.72/1,723,588.19 = 765,418.44/x - Step 3: Cross multiply
1,248,946.72x = 1,723,588.19 × 765,418.44 - Step 4: Simplify right side
1,248,946.72x = 1,319,266,183,592.22 - Step 5: Solve for x
x = 1,319,266,183,592.22/1,248,946.72 - Step 6: Final answer
x = 1,056,303.01
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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.