Finding the Fourth Proportional to 1,426,027.25, 1,967,917.63 and 781,472.81
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Solution
The fourth proportional to 1,426,027.25, 1,967,917.63 and 781,472.81 is: 1,078,432.49
Step by Step Solution
- Step 1: Write the proportion equation
1,426,027.25 : 1,967,917.63 = 781,472.81 : x - Step 2: Convert to fraction form
1,426,027.25/1,967,917.63 = 781,472.81/x - Step 3: Cross multiply
1,426,027.25x = 1,967,917.63 × 781,472.81 - Step 4: Simplify right side
1,426,027.25x = 1,537,874,120,164.64 - Step 5: Solve for x
x = 1,537,874,120,164.64/1,426,027.25 - Step 6: Final answer
x = 1,078,432.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.