Finding the Fourth Proportional to 1,127,300.36, 1,554,968.58 and 740,135.74
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Solution
The fourth proportional to 1,127,300.36, 1,554,968.58 and 740,135.74 is: 1,020,923.85
Step by Step Solution
- Step 1: Write the proportion equation
1,127,300.36 : 1,554,968.58 = 740,135.74 : x - Step 2: Convert to fraction form
1,127,300.36/1,554,968.58 = 740,135.74/x - Step 3: Cross multiply
1,127,300.36x = 1,554,968.58 × 740,135.74 - Step 4: Simplify right side
1,127,300.36x = 1,150,887,820,635.05 - Step 5: Solve for x
x = 1,150,887,820,635.05/1,127,300.36 - Step 6: Final answer
x = 1,020,923.85
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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.