Finding the Fourth Proportional to 1,072,913.43, 1,609,782.84 and 473,451.06
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Solution
The fourth proportional to 1,072,913.43, 1,609,782.84 and 473,451.06 is: 710,358.70
Step by Step Solution
- Step 1: Write the proportion equation
1,072,913.43 : 1,609,782.84 = 473,451.06 : x - Step 2: Convert to fraction form
1,072,913.43/1,609,782.84 = 473,451.06/x - Step 3: Cross multiply
1,072,913.43x = 1,609,782.84 × 473,451.06 - Step 4: Simplify right side
1,072,913.43x = 762,153,391,967.81 - Step 5: Solve for x
x = 762,153,391,967.81/1,072,913.43 - Step 6: Final answer
x = 710,358.70
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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.