Finding the Fourth Proportional to 1,129,334.44, 1,558,484.58 and 620,069.80
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Solution
The fourth proportional to 1,129,334.44, 1,558,484.58 and 620,069.80 is: 855,698.00
Step by Step Solution
- Step 1: Write the proportion equation
1,129,334.44 : 1,558,484.58 = 620,069.80 : x - Step 2: Convert to fraction form
1,129,334.44/1,558,484.58 = 620,069.80/x - Step 3: Cross multiply
1,129,334.44x = 1,558,484.58 × 620,069.80 - Step 4: Simplify right side
1,129,334.44x = 966,369,221,823.68 - Step 5: Solve for x
x = 966,369,221,823.68/1,129,334.44 - Step 6: Final answer
x = 855,698.00
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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.