Finding the Fourth Proportional to 1,065,873.74, 1,470,909.58 and 582,438.88
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Solution
The fourth proportional to 1,065,873.74, 1,470,909.58 and 582,438.88 is: 803,767.74
Step by Step Solution
- Step 1: Write the proportion equation
1,065,873.74 : 1,470,909.58 = 582,438.88 : x - Step 2: Convert to fraction form
1,065,873.74/1,470,909.58 = 582,438.88/x - Step 3: Cross multiply
1,065,873.74x = 1,470,909.58 × 582,438.88 - Step 4: Simplify right side
1,065,873.74x = 856,714,928,356.47 - Step 5: Solve for x
x = 856,714,928,356.47/1,065,873.74 - Step 6: Final answer
x = 803,767.74
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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.