Finding the Fourth Proportional to 1,248,782.64, 1,723,320.02 and 675,822.81
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Solution
The fourth proportional to 1,248,782.64, 1,723,320.02 and 675,822.81 is: 932,635.46
Step by Step Solution
- Step 1: Write the proportion equation
1,248,782.64 : 1,723,320.02 = 675,822.81 : x - Step 2: Convert to fraction form
1,248,782.64/1,723,320.02 = 675,822.81/x - Step 3: Cross multiply
1,248,782.64x = 1,723,320.02 × 675,822.81 - Step 4: Simplify right side
1,248,782.64x = 1,164,658,980,135.21 - Step 5: Solve for x
x = 1,164,658,980,135.21/1,248,782.64 - Step 6: Final answer
x = 932,635.46
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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.