Finding the Fourth Proportional to 1,124,038.99, 1,551,172.70 and 607,791.65
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Solution
The fourth proportional to 1,124,038.99, 1,551,172.70 and 607,791.65 is: 838,751.88
Step by Step Solution
- Step 1: Write the proportion equation
1,124,038.99 : 1,551,172.70 = 607,791.65 : x - Step 2: Convert to fraction form
1,124,038.99/1,551,172.70 = 607,791.65/x - Step 3: Cross multiply
1,124,038.99x = 1,551,172.70 × 607,791.65 - Step 4: Simplify right side
1,124,038.99x = 942,789,817,256.92 - Step 5: Solve for x
x = 942,789,817,256.92/1,124,038.99 - Step 6: Final answer
x = 838,751.88
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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.