Finding the Fourth Proportional to 1,259,430.95, 1,889,753.84 and 619,387.48
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Solution
The fourth proportional to 1,259,430.95, 1,889,753.84 and 619,387.48 is: 929,379.95
Step by Step Solution
- Step 1: Write the proportion equation
1,259,430.95 : 1,889,753.84 = 619,387.48 : x - Step 2: Convert to fraction form
1,259,430.95/1,889,753.84 = 619,387.48/x - Step 3: Cross multiply
1,259,430.95x = 1,889,753.84 × 619,387.48 - Step 4: Simplify right side
1,259,430.95x = 1,170,489,868,777.92 - Step 5: Solve for x
x = 1,170,489,868,777.92/1,259,430.95 - Step 6: Final answer
x = 929,379.95
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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.