Home / 1,496,675.20-2,243,457.60-821,718.40

Finding the Fourth Proportional to 1,496,675.20, 2,243,457.60 and 821,718.40

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Solution

The fourth proportional to 1,496,675.20, 2,243,457.60 and 821,718.40 is: 1,231,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496,675.20 : 2,243,457.60 = 821,718.40 : x
  2. Step 2: Convert to fraction form
    1,496,675.20/2,243,457.60 = 821,718.40/x
  3. Step 3: Cross multiply
    1,496,675.20x = 2,243,457.60 × 821,718.40
  4. Step 4: Simplify right side
    1,496,675.20x = 1,843,490,389,539.84
  5. Step 5: Solve for x
    x = 1,843,490,389,539.84/1,496,675.20
  6. Step 6: Final answer
    x = 1,231,723.75

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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.