Finding the Fourth Proportional to 1,337,432.40, 1,845,656.49 and 764,484.87
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Solution
The fourth proportional to 1,337,432.40, 1,845,656.49 and 764,484.87 is: 1,054,988.99
Step by Step Solution
- Step 1: Write the proportion equation
1,337,432.40 : 1,845,656.49 = 764,484.87 : x - Step 2: Convert to fraction form
1,337,432.40/1,845,656.49 = 764,484.87/x - Step 3: Cross multiply
1,337,432.40x = 1,845,656.49 × 764,484.87 - Step 4: Simplify right side
1,337,432.40x = 1,410,976,461,822.31 - Step 5: Solve for x
x = 1,410,976,461,822.31/1,337,432.40 - Step 6: Final answer
x = 1,054,988.99
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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.