Finding the Fourth Proportional to 1,134,238.68, 1,565,248.08 and 624,940.92
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Solution
The fourth proportional to 1,134,238.68, 1,565,248.08 and 624,940.92 is: 862,417.75
Step by Step Solution
- Step 1: Write the proportion equation
1,134,238.68 : 1,565,248.08 = 624,940.92 : x - Step 2: Convert to fraction form
1,134,238.68/1,565,248.08 = 624,940.92/x - Step 3: Cross multiply
1,134,238.68x = 1,565,248.08 × 624,940.92 - Step 4: Simplify right side
1,134,238.68x = 978,187,575,143.43 - Step 5: Solve for x
x = 978,187,575,143.43/1,134,238.68 - Step 6: Final answer
x = 862,417.75
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1.5x scale
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.