Home / 1,464,899.10-2,021,513.67-811,498.20

Finding the Fourth Proportional to 1,464,899.10, 2,021,513.67 and 811,498.20

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Solution

The fourth proportional to 1,464,899.10, 2,021,513.67 and 811,498.20 is: 1,119,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,899.10 : 2,021,513.67 = 811,498.20 : x
  2. Step 2: Convert to fraction form
    1,464,899.10/2,021,513.67 = 811,498.20/x
  3. Step 3: Cross multiply
    1,464,899.10x = 2,021,513.67 × 811,498.20
  4. Step 4: Simplify right side
    1,464,899.10x = 1,640,454,704,480.39
  5. Step 5: Solve for x
    x = 1,640,454,704,480.39/1,464,899.10
  6. Step 6: Final answer
    x = 1,119,841.43

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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.