Finding the Fourth Proportional to 1,030,551.81, 1,422,169.40 and 565,402.65
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Solution
The fourth proportional to 1,030,551.81, 1,422,169.40 and 565,402.65 is: 780,259.99
Step by Step Solution
- Step 1: Write the proportion equation
1,030,551.81 : 1,422,169.40 = 565,402.65 : x - Step 2: Convert to fraction form
1,030,551.81/1,422,169.40 = 565,402.65/x - Step 3: Cross multiply
1,030,551.81x = 1,422,169.40 × 565,402.65 - Step 4: Simplify right side
1,030,551.81x = 804,098,347,508.91 - Step 5: Solve for x
x = 804,098,347,508.91/1,030,551.81 - Step 6: Final answer
x = 780,259.99
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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.