Home / 1,457,249.40-2,185,874.10-459,977.40

Finding the Fourth Proportional to 1,457,249.40, 2,185,874.10 and 459,977.40

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Solution

The fourth proportional to 1,457,249.40, 2,185,874.10 and 459,977.40 is: 689,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,249.40 : 2,185,874.10 = 459,977.40 : x
  2. Step 2: Convert to fraction form
    1,457,249.40/2,185,874.10 = 459,977.40/x
  3. Step 3: Cross multiply
    1,457,249.40x = 2,185,874.10 × 459,977.40
  4. Step 4: Simplify right side
    1,457,249.40x = 1,005,452,685,245.34
  5. Step 5: Solve for x
    x = 1,005,452,685,245.34/1,457,249.40
  6. Step 6: Final answer
    x = 689,966.10

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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.