Finding the Fourth Proportional to 1,252,312.98, 1,728,195.24 and 679,353.18
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Solution
The fourth proportional to 1,252,312.98, 1,728,195.24 and 679,353.18 is: 937,509.19
Step by Step Solution
- Step 1: Write the proportion equation
1,252,312.98 : 1,728,195.24 = 679,353.18 : x - Step 2: Convert to fraction form
1,252,312.98/1,728,195.24 = 679,353.18/x - Step 3: Cross multiply
1,252,312.98x = 1,728,195.24 × 679,353.18 - Step 4: Simplify right side
1,252,312.98x = 1,174,054,931,954.86 - Step 5: Solve for x
x = 1,174,054,931,954.86/1,252,312.98 - Step 6: Final answer
x = 937,509.19
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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.