Finding the Fourth Proportional to 1,014,740.51, 1,400,364.53 and 579,149.12
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Solution
The fourth proportional to 1,014,740.51, 1,400,364.53 and 579,149.12 is: 799,238.70
Step by Step Solution
- Step 1: Write the proportion equation
1,014,740.51 : 1,400,364.53 = 579,149.12 : x - Step 2: Convert to fraction form
1,014,740.51/1,400,364.53 = 579,149.12/x - Step 3: Cross multiply
1,014,740.51x = 1,400,364.53 × 579,149.12 - Step 4: Simplify right side
1,014,740.51x = 811,019,885,228.71 - Step 5: Solve for x
x = 811,019,885,228.71/1,014,740.51 - Step 6: Final answer
x = 799,238.70
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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.