Finding the Fourth Proportional to 1,038,212.70, 1,432,693.29 and 579,303.42
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Solution
The fourth proportional to 1,038,212.70, 1,432,693.29 and 579,303.42 is: 799,416.27
Step by Step Solution
- Step 1: Write the proportion equation
1,038,212.70 : 1,432,693.29 = 579,303.42 : x - Step 2: Convert to fraction form
1,038,212.70/1,432,693.29 = 579,303.42/x - Step 3: Cross multiply
1,038,212.70x = 1,432,693.29 × 579,303.42 - Step 4: Simplify right side
1,038,212.70x = 829,964,122,708.05 - Step 5: Solve for x
x = 829,964,122,708.05/1,038,212.70 - Step 6: Final answer
x = 799,416.27
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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.