Finding the Fourth Proportional to 1,271,505.44, 1,754,670.16 and 698,533.28
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Solution
The fourth proportional to 1,271,505.44, 1,754,670.16 and 698,533.28 is: 963,971.89
Step by Step Solution
- Step 1: Write the proportion equation
1,271,505.44 : 1,754,670.16 = 698,533.28 : x - Step 2: Convert to fraction form
1,271,505.44/1,754,670.16 = 698,533.28/x - Step 3: Cross multiply
1,271,505.44x = 1,754,670.16 × 698,533.28 - Step 4: Simplify right side
1,271,505.44x = 1,225,695,502,182.92 - Step 5: Solve for x
x = 1,225,695,502,182.92/1,271,505.44 - Step 6: Final answer
x = 963,971.89
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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.