Finding the Fourth Proportional to 1,128,323.74, 1,692,765.74 and 559,971.58
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Solution
The fourth proportional to 1,128,323.74, 1,692,765.74 and 559,971.58 is: 840,096.39
Step by Step Solution
- Step 1: Write the proportion equation
1,128,323.74 : 1,692,765.74 = 559,971.58 : x - Step 2: Convert to fraction form
1,128,323.74/1,692,765.74 = 559,971.58/x - Step 3: Cross multiply
1,128,323.74x = 1,692,765.74 × 559,971.58 - Step 4: Simplify right side
1,128,323.74x = 947,900,705,997.67 - Step 5: Solve for x
x = 947,900,705,997.67/1,128,323.74 - Step 6: Final answer
x = 840,096.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.