Finding the Fourth Proportional to 1,252,510.80, 1,728,465.06 and 679,551.06
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Solution
The fourth proportional to 1,252,510.80, 1,728,465.06 and 679,551.06 is: 937,780.55
Step by Step Solution
- Step 1: Write the proportion equation
1,252,510.80 : 1,728,465.06 = 679,551.06 : x - Step 2: Convert to fraction form
1,252,510.80/1,728,465.06 = 679,551.06/x - Step 3: Cross multiply
1,252,510.80x = 1,728,465.06 × 679,551.06 - Step 4: Simplify right side
1,252,510.80x = 1,174,580,263,695.96 - Step 5: Solve for x
x = 1,174,580,263,695.96/1,252,510.80 - Step 6: Final answer
x = 937,780.55
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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.