Home / 1,210,096.65-1,815,228.16-400,479.60

Finding the Fourth Proportional to 1,210,096.65, 1,815,228.16 and 400,479.60

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Solution

The fourth proportional to 1,210,096.65, 1,815,228.16 and 400,479.60 is: 600,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,096.65 : 1,815,228.16 = 400,479.60 : x
  2. Step 2: Convert to fraction form
    1,210,096.65/1,815,228.16 = 400,479.60/x
  3. Step 3: Cross multiply
    1,210,096.65x = 1,815,228.16 × 400,479.60
  4. Step 4: Simplify right side
    1,210,096.65x = 726,961,846,424.34
  5. Step 5: Solve for x
    x = 726,961,846,424.34/1,210,096.65
  6. Step 6: Final answer
    x = 600,746.93

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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.