Finding the Fourth Proportional to 1,430,787.71, 1,974,596.94 and 819,132.41
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Solution
The fourth proportional to 1,430,787.71, 1,974,596.94 and 819,132.41 is: 1,130,465.65
Step by Step Solution
- Step 1: Write the proportion equation
1,430,787.71 : 1,974,596.94 = 819,132.41 : x - Step 2: Convert to fraction form
1,430,787.71/1,974,596.94 = 819,132.41/x - Step 3: Cross multiply
1,430,787.71x = 1,974,596.94 × 819,132.41 - Step 4: Simplify right side
1,430,787.71x = 1,617,456,355,177.32 - Step 5: Solve for x
x = 1,617,456,355,177.32/1,430,787.71 - Step 6: Final answer
x = 1,130,465.65
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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.