Finding the Fourth Proportional to 1,251,379.60, 1,877,458.20 and 493,316.80
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Solution
The fourth proportional to 1,251,379.60, 1,877,458.20 and 493,316.80 is: 740,128.47
Step by Step Solution
- Step 1: Write the proportion equation
1,251,379.60 : 1,877,458.20 = 493,316.80 : x - Step 2: Convert to fraction form
1,251,379.60/1,877,458.20 = 493,316.80/x - Step 3: Cross multiply
1,251,379.60x = 1,877,458.20 × 493,316.80 - Step 4: Simplify right side
1,251,379.60x = 926,181,671,357.76 - Step 5: Solve for x
x = 926,181,671,357.76/1,251,379.60 - Step 6: Final answer
x = 740,128.47
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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.