Finding the Fourth Proportional to 1,128,600.72, 1,693,029.56 and 409,281.36
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Solution
The fourth proportional to 1,128,600.72, 1,693,029.56 and 409,281.36 is: 613,968.63
Step by Step Solution
- Step 1: Write the proportion equation
1,128,600.72 : 1,693,029.56 = 409,281.36 : x - Step 2: Convert to fraction form
1,128,600.72/1,693,029.56 = 409,281.36/x - Step 3: Cross multiply
1,128,600.72x = 1,693,029.56 × 409,281.36 - Step 4: Simplify right side
1,128,600.72x = 692,925,440,837.00 - Step 5: Solve for x
x = 692,925,440,837.00/1,128,600.72 - Step 6: Final answer
x = 613,968.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.