Finding the Fourth Proportional to 1,049,155.64, 1,448,011.76 and 607,565.99
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Solution
The fourth proportional to 1,049,155.64, 1,448,011.76 and 607,565.99 is: 838,543.56
Step by Step Solution
- Step 1: Write the proportion equation
1,049,155.64 : 1,448,011.76 = 607,565.99 : x - Step 2: Convert to fraction form
1,049,155.64/1,448,011.76 = 607,565.99/x - Step 3: Cross multiply
1,049,155.64x = 1,448,011.76 × 607,565.99 - Step 4: Simplify right side
1,049,155.64x = 879,762,700,132.05 - Step 5: Solve for x
x = 879,762,700,132.05/1,049,155.64 - Step 6: Final answer
x = 838,543.56
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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.