Finding the Fourth Proportional to 1,106,962.68, 1,658,828.28 and 490,723.20
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Solution
The fourth proportional to 1,106,962.68, 1,658,828.28 and 490,723.20 is: 735,368.53
Step by Step Solution
- Step 1: Write the proportion equation
1,106,962.68 : 1,658,828.28 = 490,723.20 : x - Step 2: Convert to fraction form
1,106,962.68/1,658,828.28 = 490,723.20/x - Step 3: Cross multiply
1,106,962.68x = 1,658,828.28 × 490,723.20 - Step 4: Simplify right side
1,106,962.68x = 814,025,521,812.10 - Step 5: Solve for x
x = 814,025,521,812.10/1,106,962.68 - Step 6: Final answer
x = 735,368.53
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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.