Finding the Fourth Proportional to 1,557,254.87, 2,331,661.39 and 807,726.23
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Solution
The fourth proportional to 1,557,254.87, 2,331,661.39 and 807,726.23 is: 1,209,400.02
Step by Step Solution
- Step 1: Write the proportion equation
1,557,254.87 : 2,331,661.39 = 807,726.23 : x - Step 2: Convert to fraction form
1,557,254.87/2,331,661.39 = 807,726.23/x - Step 3: Cross multiply
1,557,254.87x = 2,331,661.39 × 807,726.23 - Step 4: Simplify right side
1,557,254.87x = 1,883,344,063,790.83 - Step 5: Solve for x
x = 1,883,344,063,790.83/1,557,254.87 - Step 6: Final answer
x = 1,209,400.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.