Finding the Fourth Proportional to 1,293,685.60, 1,944,027.60 and 1,139,720.80
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Solution
The fourth proportional to 1,293,685.60, 1,944,027.60 and 1,139,720.80 is: 1,712,663.95
Step by Step Solution
- Step 1: Write the proportion equation
1,293,685.60 : 1,944,027.60 = 1,139,720.80 : x - Step 2: Convert to fraction form
1,293,685.60/1,944,027.60 = 1,139,720.80/x - Step 3: Cross multiply
1,293,685.60x = 1,944,027.60 × 1,139,720.80 - Step 4: Simplify right side
1,293,685.60x = 2,215,648,691,494.08 - Step 5: Solve for x
x = 2,215,648,691,494.08/1,293,685.60 - Step 6: Final answer
x = 1,712,663.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.