Finding the Fourth Proportional to 1,296,461.49, 1,789,106.50 and 752,647.74
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Solution
The fourth proportional to 1,296,461.49, 1,789,106.50 and 752,647.74 is: 1,038,647.87
Step by Step Solution
- Step 1: Write the proportion equation
1,296,461.49 : 1,789,106.50 = 752,647.74 : x - Step 2: Convert to fraction form
1,296,461.49/1,789,106.50 = 752,647.74/x - Step 3: Cross multiply
1,296,461.49x = 1,789,106.50 × 752,647.74 - Step 4: Simplify right side
1,296,461.49x = 1,346,566,963,844.31 - Step 5: Solve for x
x = 1,346,566,963,844.31/1,296,461.49 - Step 6: Final answer
x = 1,038,647.87
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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.