Finding the Fourth Proportional to 1,272,515.36, 1,756,104.72 and 699,569.96
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Solution
The fourth proportional to 1,272,515.36, 1,756,104.72 and 699,569.96 is: 965,424.97
Step by Step Solution
- Step 1: Write the proportion equation
1,272,515.36 : 1,756,104.72 = 699,569.96 : x - Step 2: Convert to fraction form
1,272,515.36/1,756,104.72 = 699,569.96/x - Step 3: Cross multiply
1,272,515.36x = 1,756,104.72 × 699,569.96 - Step 4: Simplify right side
1,272,515.36x = 1,228,518,108,726.21 - Step 5: Solve for x
x = 1,228,518,108,726.21/1,272,515.36 - Step 6: Final answer
x = 965,424.97
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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.