Finding the Fourth Proportional to 1,230,562.10, 1,698,176.06 and 679,278.18
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Solution
The fourth proportional to 1,230,562.10, 1,698,176.06 and 679,278.18 is: 937,404.09
Step by Step Solution
- Step 1: Write the proportion equation
1,230,562.10 : 1,698,176.06 = 679,278.18 : x - Step 2: Convert to fraction form
1,230,562.10/1,698,176.06 = 679,278.18/x - Step 3: Cross multiply
1,230,562.10x = 1,698,176.06 × 679,278.18 - Step 4: Simplify right side
1,230,562.10x = 1,153,533,943,356.37 - Step 5: Solve for x
x = 1,153,533,943,356.37/1,230,562.10 - Step 6: Final answer
x = 937,404.09
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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.