Finding the Fourth Proportional to 1,230,557.10, 1,698,169.16 and 679,273.18
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Solution
The fourth proportional to 1,230,557.10, 1,698,169.16 and 679,273.18 is: 937,397.19
Step by Step Solution
- Step 1: Write the proportion equation
1,230,557.10 : 1,698,169.16 = 679,273.18 : x - Step 2: Convert to fraction form
1,230,557.10/1,698,169.16 = 679,273.18/x - Step 3: Cross multiply
1,230,557.10x = 1,698,169.16 × 679,273.18 - Step 4: Simplify right side
1,230,557.10x = 1,153,520,765,491.13 - Step 5: Solve for x
x = 1,153,520,765,491.13/1,230,557.10 - Step 6: Final answer
x = 937,397.19
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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.