Home / 1,133,389.50-1,700,308.60-323,780.90

Finding the Fourth Proportional to 1,133,389.50, 1,700,308.60 and 323,780.90

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Solution

The fourth proportional to 1,133,389.50, 1,700,308.60 and 323,780.90 is: 485,735.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,389.50 : 1,700,308.60 = 323,780.90 : x
  2. Step 2: Convert to fraction form
    1,133,389.50/1,700,308.60 = 323,780.90/x
  3. Step 3: Cross multiply
    1,133,389.50x = 1,700,308.60 × 323,780.90
  4. Step 4: Simplify right side
    1,133,389.50x = 550,527,448,785.74
  5. Step 5: Solve for x
    x = 550,527,448,785.74/1,133,389.50
  6. Step 6: Final answer
    x = 485,735.44

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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.