Finding the Fourth Proportional to 1,130,157.54, 1,559,610.99 and 620,848.98
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Solution
The fourth proportional to 1,130,157.54, 1,559,610.99 and 620,848.98 is: 856,768.07
Step by Step Solution
- Step 1: Write the proportion equation
1,130,157.54 : 1,559,610.99 = 620,848.98 : x - Step 2: Convert to fraction form
1,130,157.54/1,559,610.99 = 620,848.98/x - Step 3: Cross multiply
1,130,157.54x = 1,559,610.99 × 620,848.98 - Step 4: Simplify right side
1,130,157.54x = 968,282,892,338.29 - Step 5: Solve for x
x = 968,282,892,338.29/1,130,157.54 - Step 6: Final answer
x = 856,768.07
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1.5x scale
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.