Finding the Fourth Proportional to 1,031,128.38, 1,544,862.51 and 430,768.26
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Solution
The fourth proportional to 1,031,128.38, 1,544,862.51 and 430,768.26 is: 645,387.86
Step by Step Solution
- Step 1: Write the proportion equation
1,031,128.38 : 1,544,862.51 = 430,768.26 : x - Step 2: Convert to fraction form
1,031,128.38/1,544,862.51 = 430,768.26/x - Step 3: Cross multiply
1,031,128.38x = 1,544,862.51 × 430,768.26 - Step 4: Simplify right side
1,031,128.38x = 665,477,735,371.93 - Step 5: Solve for x
x = 665,477,735,371.93/1,031,128.38 - Step 6: Final answer
x = 645,387.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.