Finding the Fourth Proportional to 1,314,909.65, 1,972,420.73 and 516,363.96
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Solution
The fourth proportional to 1,314,909.65, 1,972,420.73 and 516,363.96 is: 774,568.02
Step by Step Solution
- Step 1: Write the proportion equation
1,314,909.65 : 1,972,420.73 = 516,363.96 : x - Step 2: Convert to fraction form
1,314,909.65/1,972,420.73 = 516,363.96/x - Step 3: Cross multiply
1,314,909.65x = 1,972,420.73 × 516,363.96 - Step 4: Simplify right side
1,314,909.65x = 1,018,486,966,484.97 - Step 5: Solve for x
x = 1,018,486,966,484.97/1,314,909.65 - Step 6: Final answer
x = 774,568.02
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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.