Home / 1,008,020.40-1,512,376.20-447,457.20

Finding the Fourth Proportional to 1,008,020.40, 1,512,376.20 and 447,457.20

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Solution

The fourth proportional to 1,008,020.40, 1,512,376.20 and 447,457.20 is: 671,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,020.40 : 1,512,376.20 = 447,457.20 : x
  2. Step 2: Convert to fraction form
    1,008,020.40/1,512,376.20 = 447,457.20/x
  3. Step 3: Cross multiply
    1,008,020.40x = 1,512,376.20 × 447,457.20
  4. Step 4: Simplify right side
    1,008,020.40x = 676,723,619,798.64
  5. Step 5: Solve for x
    x = 676,723,619,798.64/1,008,020.40
  6. Step 6: Final answer
    x = 671,339.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.