Finding the Fourth Proportional to 1,248,930.70, 1,723,566.09 and 765,402.41
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Solution
The fourth proportional to 1,248,930.70, 1,723,566.09 and 765,402.41 is: 1,056,280.90
Step by Step Solution
- Step 1: Write the proportion equation
1,248,930.70 : 1,723,566.09 = 765,402.41 : x - Step 2: Convert to fraction form
1,248,930.70/1,723,566.09 = 765,402.41/x - Step 3: Cross multiply
1,248,930.70x = 1,723,566.09 × 765,402.41 - Step 4: Simplify right side
1,248,930.70x = 1,319,221,646,259.45 - Step 5: Solve for x
x = 1,319,221,646,259.45/1,248,930.70 - Step 6: Final answer
x = 1,056,280.90
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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.