Home / 1,400,363.10-2,100,655.08-690,003.90

Finding the Fourth Proportional to 1,400,363.10, 2,100,655.08 and 690,003.90

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Solution

The fourth proportional to 1,400,363.10, 2,100,655.08 and 690,003.90 is: 1,035,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,363.10 : 2,100,655.08 = 690,003.90 : x
  2. Step 2: Convert to fraction form
    1,400,363.10/2,100,655.08 = 690,003.90/x
  3. Step 3: Cross multiply
    1,400,363.10x = 2,100,655.08 × 690,003.90
  4. Step 4: Simplify right side
    1,400,363.10x = 1,449,460,197,754.81
  5. Step 5: Solve for x
    x = 1,449,460,197,754.81/1,400,363.10
  6. Step 6: Final answer
    x = 1,035,060.26

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