Finding the Fourth Proportional to 1,248,544.37, 1,872,901.18 and 438,830.35
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Solution
The fourth proportional to 1,248,544.37, 1,872,901.18 and 438,830.35 is: 658,275.26
Step by Step Solution
- Step 1: Write the proportion equation
1,248,544.37 : 1,872,901.18 = 438,830.35 : x - Step 2: Convert to fraction form
1,248,544.37/1,872,901.18 = 438,830.35/x - Step 3: Cross multiply
1,248,544.37x = 1,872,901.18 × 438,830.35 - Step 4: Simplify right side
1,248,544.37x = 821,885,879,184.74 - Step 5: Solve for x
x = 821,885,879,184.74/1,248,544.37 - Step 6: Final answer
x = 658,275.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.