Home / 1,500,203.67-2,070,264.92-811,860.31

Finding the Fourth Proportional to 1,500,203.67, 2,070,264.92 and 811,860.31

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Solution

The fourth proportional to 1,500,203.67, 2,070,264.92 and 811,860.31 is: 1,120,358.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,203.67 : 2,070,264.92 = 811,860.31 : x
  2. Step 2: Convert to fraction form
    1,500,203.67/2,070,264.92 = 811,860.31/x
  3. Step 3: Cross multiply
    1,500,203.67x = 2,070,264.92 × 811,860.31
  4. Step 4: Simplify right side
    1,500,203.67x = 1,680,765,919,733.33
  5. Step 5: Solve for x
    x = 1,680,765,919,733.33/1,500,203.67
  6. Step 6: Final answer
    x = 1,120,358.49

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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.