Home / 1,464,898.10-2,021,512.29-811,497.20

Finding the Fourth Proportional to 1,464,898.10, 2,021,512.29 and 811,497.20

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Solution

The fourth proportional to 1,464,898.10, 2,021,512.29 and 811,497.20 is: 1,119,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,898.10 : 2,021,512.29 = 811,497.20 : x
  2. Step 2: Convert to fraction form
    1,464,898.10/2,021,512.29 = 811,497.20/x
  3. Step 3: Cross multiply
    1,464,898.10x = 2,021,512.29 × 811,497.20
  4. Step 4: Simplify right side
    1,464,898.10x = 1,640,451,563,100.59
  5. Step 5: Solve for x
    x = 1,640,451,563,100.59/1,464,898.10
  6. Step 6: Final answer
    x = 1,119,840.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.