Home / 1,210,096.28-1,815,227.60-400,479.23

Finding the Fourth Proportional to 1,210,096.28, 1,815,227.60 and 400,479.23

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Solution

The fourth proportional to 1,210,096.28, 1,815,227.60 and 400,479.23 is: 600,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,096.28 : 1,815,227.60 = 400,479.23 : x
  2. Step 2: Convert to fraction form
    1,210,096.28/1,815,227.60 = 400,479.23/x
  3. Step 3: Cross multiply
    1,210,096.28x = 1,815,227.60 × 400,479.23
  4. Step 4: Simplify right side
    1,210,096.28x = 726,960,940,444.21
  5. Step 5: Solve for x
    x = 726,960,940,444.21/1,210,096.28
  6. Step 6: Final answer
    x = 600,746.37

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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.