Home / 1,587,257.40-2,380,886.10-1,465,606.20

Finding the Fourth Proportional to 1,587,257.40, 2,380,886.10 and 1,465,606.20

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Solution

The fourth proportional to 1,587,257.40, 2,380,886.10 and 1,465,606.20 is: 2,198,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,257.40 : 2,380,886.10 = 1,465,606.20 : x
  2. Step 2: Convert to fraction form
    1,587,257.40/2,380,886.10 = 1,465,606.20/x
  3. Step 3: Cross multiply
    1,587,257.40x = 2,380,886.10 × 1,465,606.20
  4. Step 4: Simplify right side
    1,587,257.40x = 3,489,441,429,653.82
  5. Step 5: Solve for x
    x = 3,489,441,429,653.82/1,587,257.40
  6. Step 6: Final answer
    x = 2,198,409.30

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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.