Finding the Fourth Proportional to 1,367,718.93, 1,887,455.14 and 747,534.05
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Solution
The fourth proportional to 1,367,718.93, 1,887,455.14 and 747,534.05 is: 1,031,598.64
Step by Step Solution
- Step 1: Write the proportion equation
1,367,718.93 : 1,887,455.14 = 747,534.05 : x - Step 2: Convert to fraction form
1,367,718.93/1,887,455.14 = 747,534.05/x - Step 3: Cross multiply
1,367,718.93x = 1,887,455.14 × 747,534.05 - Step 4: Simplify right side
1,367,718.93x = 1,410,936,984,997.52 - Step 5: Solve for x
x = 1,410,936,984,997.52/1,367,718.93 - Step 6: Final answer
x = 1,031,598.64
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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.