Finding the Fourth Proportional to 1,457,292.43, 2,011,065.39 and 803,903.68
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Solution
The fourth proportional to 1,457,292.43, 2,011,065.39 and 803,903.68 is: 1,109,388.09
Step by Step Solution
- Step 1: Write the proportion equation
1,457,292.43 : 2,011,065.39 = 803,903.68 : x - Step 2: Convert to fraction form
1,457,292.43/2,011,065.39 = 803,903.68/x - Step 3: Cross multiply
1,457,292.43x = 2,011,065.39 × 803,903.68 - Step 4: Simplify right side
1,457,292.43x = 1,616,702,867,741.64 - Step 5: Solve for x
x = 1,616,702,867,741.64/1,457,292.43 - Step 6: Final answer
x = 1,109,388.09
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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.