Finding the Fourth Proportional to 1,232,064.24, 1,700,080.58 and 688,130.62
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Solution
The fourth proportional to 1,232,064.24, 1,700,080.58 and 688,130.62 is: 949,526.38
Step by Step Solution
- Step 1: Write the proportion equation
1,232,064.24 : 1,700,080.58 = 688,130.62 : x - Step 2: Convert to fraction form
1,232,064.24/1,700,080.58 = 688,130.62/x - Step 3: Cross multiply
1,232,064.24x = 1,700,080.58 × 688,130.62 - Step 4: Simplify right side
1,232,064.24x = 1,169,877,503,565.36 - Step 5: Solve for x
x = 1,169,877,503,565.36/1,232,064.24 - Step 6: Final answer
x = 949,526.38
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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.