Finding the Fourth Proportional to 1,072,764.36, 1,480,429.98 and 589,374.18
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Solution
The fourth proportional to 1,072,764.36, 1,480,429.98 and 589,374.18 is: 813,344.70
Step by Step Solution
- Step 1: Write the proportion equation
1,072,764.36 : 1,480,429.98 = 589,374.18 : x - Step 2: Convert to fraction form
1,072,764.36/1,480,429.98 = 589,374.18/x - Step 3: Cross multiply
1,072,764.36x = 1,480,429.98 × 589,374.18 - Step 4: Simplify right side
1,072,764.36x = 872,527,205,509.92 - Step 5: Solve for x
x = 872,527,205,509.92/1,072,764.36 - Step 6: Final answer
x = 813,344.70
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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.