Finding the Fourth Proportional to 1,295,645.91, 1,788,564.68 and 836,984.12
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Solution
The fourth proportional to 1,295,645.91, 1,788,564.68 and 836,984.12 is: 1,155,408.45
Step by Step Solution
- Step 1: Write the proportion equation
1,295,645.91 : 1,788,564.68 = 836,984.12 : x - Step 2: Convert to fraction form
1,295,645.91/1,788,564.68 = 836,984.12/x - Step 3: Cross multiply
1,295,645.91x = 1,788,564.68 × 836,984.12 - Step 4: Simplify right side
1,295,645.91x = 1,497,000,224,763.83 - Step 5: Solve for x
x = 1,497,000,224,763.83/1,295,645.91 - Step 6: Final answer
x = 1,155,408.45
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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.