Finding the Fourth Proportional to 1,294,214.32, 1,786,021.74 and 750,671.92
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Solution
The fourth proportional to 1,294,214.32, 1,786,021.74 and 750,671.92 is: 1,035,930.71
Step by Step Solution
- Step 1: Write the proportion equation
1,294,214.32 : 1,786,021.74 = 750,671.92 : x - Step 2: Convert to fraction form
1,294,214.32/1,786,021.74 = 750,671.92/x - Step 3: Cross multiply
1,294,214.32x = 1,786,021.74 × 750,671.92 - Step 4: Simplify right side
1,294,214.32x = 1,340,716,356,044.07 - Step 5: Solve for x
x = 1,340,716,356,044.07/1,294,214.32 - Step 6: Final answer
x = 1,035,930.71
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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.