Home / 1,628,457.12-2,247,210-913,019.04

Finding the Fourth Proportional to 1,628,457.12, 2,247,210 and 913,019.04

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Solution

The fourth proportional to 1,628,457.12, 2,247,210 and 913,019.04 is: 1,259,932.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,457.12 : 2,247,210 = 913,019.04 : x
  2. Step 2: Convert to fraction form
    1,628,457.12/2,247,210 = 913,019.04/x
  3. Step 3: Cross multiply
    1,628,457.12x = 2,247,210 × 913,019.04
  4. Step 4: Simplify right side
    1,628,457.12x = 2,051,745,516,878.40
  5. Step 5: Solve for x
    x = 2,051,745,516,878.40/1,628,457.12
  6. Step 6: Final answer
    x = 1,259,932.17

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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.