Home / 1,258,228.44-1,888,154.61-459,443.10

Finding the Fourth Proportional to 1,258,228.44, 1,888,154.61 and 459,443.10

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Solution

The fourth proportional to 1,258,228.44, 1,888,154.61 and 459,443.10 is: 689,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,228.44 : 1,888,154.61 = 459,443.10 : x
  2. Step 2: Convert to fraction form
    1,258,228.44/1,888,154.61 = 459,443.10/x
  3. Step 3: Cross multiply
    1,258,228.44x = 1,888,154.61 × 459,443.10
  4. Step 4: Simplify right side
    1,258,228.44x = 867,499,607,297.69
  5. Step 5: Solve for x
    x = 867,499,607,297.69/1,258,228.44
  6. Step 6: Final answer
    x = 689,461.13

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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.