Finding the Fourth Proportional to 1,284,746.94, 1,927,121.94 and 386,188.74
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Solution
The fourth proportional to 1,284,746.94, 1,927,121.94 and 386,188.74 is: 579,283.57
Step by Step Solution
- Step 1: Write the proportion equation
1,284,746.94 : 1,927,121.94 = 386,188.74 : x - Step 2: Convert to fraction form
1,284,746.94/1,927,121.94 = 386,188.74/x - Step 3: Cross multiply
1,284,746.94x = 1,927,121.94 × 386,188.74 - Step 4: Simplify right side
1,284,746.94x = 744,232,793,834.96 - Step 5: Solve for x
x = 744,232,793,834.96/1,284,746.94 - Step 6: Final answer
x = 579,283.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.