Finding the Fourth Proportional to 1,014,739.65, 1,400,363.34 and 579,148.28
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Solution
The fourth proportional to 1,014,739.65, 1,400,363.34 and 579,148.28 is: 799,237.53
Step by Step Solution
- Step 1: Write the proportion equation
1,014,739.65 : 1,400,363.34 = 579,148.28 : x - Step 2: Convert to fraction form
1,014,739.65/1,400,363.34 = 579,148.28/x - Step 3: Cross multiply
1,014,739.65x = 1,400,363.34 × 579,148.28 - Step 4: Simplify right side
1,014,739.65x = 811,018,015,813.80 - Step 5: Solve for x
x = 811,018,015,813.80/1,014,739.65 - Step 6: Final answer
x = 799,237.53
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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.