Finding the Fourth Proportional to 1,252,848.62, 1,728,931.03 and 679,888.79
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Solution
The fourth proportional to 1,252,848.62, 1,728,931.03 and 679,888.79 is: 938,246.49
Step by Step Solution
- Step 1: Write the proportion equation
1,252,848.62 : 1,728,931.03 = 679,888.79 : x - Step 2: Convert to fraction form
1,252,848.62/1,728,931.03 = 679,888.79/x - Step 3: Cross multiply
1,252,848.62x = 1,728,931.03 × 679,888.79 - Step 4: Simplify right side
1,252,848.62x = 1,175,480,825,980.15 - Step 5: Solve for x
x = 1,175,480,825,980.15/1,252,848.62 - Step 6: Final answer
x = 938,246.49
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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.