Finding the Fourth Proportional to 1,248,421.19, 1,722,809.00 and 675,448.79
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Solution
The fourth proportional to 1,248,421.19, 1,722,809.00 and 675,448.79 is: 932,112.70
Step by Step Solution
- Step 1: Write the proportion equation
1,248,421.19 : 1,722,809.00 = 675,448.79 : x - Step 2: Convert to fraction form
1,248,421.19/1,722,809.00 = 675,448.79/x - Step 3: Cross multiply
1,248,421.19x = 1,722,809.00 × 675,448.79 - Step 4: Simplify right side
1,248,421.19x = 1,163,669,251,073.87 - Step 5: Solve for x
x = 1,163,669,251,073.87/1,248,421.19 - Step 6: Final answer
x = 932,112.70
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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.