Home / 960,078.60-1,440,117.90-603,937.80

Finding the Fourth Proportional to 960,078.60, 1,440,117.90 and 603,937.80

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Solution

The fourth proportional to 960,078.60, 1,440,117.90 and 603,937.80 is: 905,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,078.60 : 1,440,117.90 = 603,937.80 : x
  2. Step 2: Convert to fraction form
    960,078.60/1,440,117.90 = 603,937.80/x
  3. Step 3: Cross multiply
    960,078.60x = 1,440,117.90 × 603,937.80
  4. Step 4: Simplify right side
    960,078.60x = 869,741,636,266.62
  5. Step 5: Solve for x
    x = 869,741,636,266.62/960,078.60
  6. Step 6: Final answer
    x = 905,906.70

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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.