Finding the Fourth Proportional to 1,071,661.25, 1,480,119.92 and 705,773.99
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Solution
The fourth proportional to 1,071,661.25, 1,480,119.92 and 705,773.99 is: 974,776.44
Step by Step Solution
- Step 1: Write the proportion equation
1,071,661.25 : 1,480,119.92 = 705,773.99 : x - Step 2: Convert to fraction form
1,071,661.25/1,480,119.92 = 705,773.99/x - Step 3: Cross multiply
1,071,661.25x = 1,480,119.92 × 705,773.99 - Step 4: Simplify right side
1,071,661.25x = 1,044,630,130,687.41 - Step 5: Solve for x
x = 1,044,630,130,687.41/1,071,661.25 - Step 6: Final answer
x = 974,776.44
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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.