Home / 1,143,143.71-1,714,715.60-384,921.70

Finding the Fourth Proportional to 1,143,143.71, 1,714,715.60 and 384,921.70

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Solution

The fourth proportional to 1,143,143.71, 1,714,715.60 and 384,921.70 is: 577,382.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,143.71 : 1,714,715.60 = 384,921.70 : x
  2. Step 2: Convert to fraction form
    1,143,143.71/1,714,715.60 = 384,921.70/x
  3. Step 3: Cross multiply
    1,143,143.71x = 1,714,715.60 × 384,921.70
  4. Step 4: Simplify right side
    1,143,143.71x = 660,031,243,768.52
  5. Step 5: Solve for x
    x = 660,031,243,768.52/1,143,143.71
  6. Step 6: Final answer
    x = 577,382.56

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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.