Home / 960,642.60-1,439,408.70-605,020.20

Finding the Fourth Proportional to 960,642.60, 1,439,408.70 and 605,020.20

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Solution

The fourth proportional to 960,642.60, 1,439,408.70 and 605,020.20 is: 906,550.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,642.60 : 1,439,408.70 = 605,020.20 : x
  2. Step 2: Convert to fraction form
    960,642.60/1,439,408.70 = 605,020.20/x
  3. Step 3: Cross multiply
    960,642.60x = 1,439,408.70 × 605,020.20
  4. Step 4: Simplify right side
    960,642.60x = 870,871,339,555.74
  5. Step 5: Solve for x
    x = 870,871,339,555.74/960,642.60
  6. Step 6: Final answer
    x = 906,550.82

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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.