Finding the Fourth Proportional to 1,130,651.48, 1,560,225.64 and 647,220.44
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Solution
The fourth proportional to 1,130,651.48, 1,560,225.64 and 647,220.44 is: 893,122.19
Step by Step Solution
- Step 1: Write the proportion equation
1,130,651.48 : 1,560,225.64 = 647,220.44 : x - Step 2: Convert to fraction form
1,130,651.48/1,560,225.64 = 647,220.44/x - Step 3: Cross multiply
1,130,651.48x = 1,560,225.64 × 647,220.44 - Step 4: Simplify right side
1,130,651.48x = 1,009,809,925,220.08 - Step 5: Solve for x
x = 1,009,809,925,220.08/1,130,651.48 - Step 6: Final answer
x = 893,122.19
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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.