Home / 1,573,383.40-2,170,709.22-928,480.84

Finding the Fourth Proportional to 1,573,383.40, 2,170,709.22 and 928,480.84

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Solution

The fourth proportional to 1,573,383.40, 2,170,709.22 and 928,480.84 is: 1,280,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,383.40 : 2,170,709.22 = 928,480.84 : x
  2. Step 2: Convert to fraction form
    1,573,383.40/2,170,709.22 = 928,480.84/x
  3. Step 3: Cross multiply
    1,573,383.40x = 2,170,709.22 × 928,480.84
  4. Step 4: Simplify right side
    1,573,383.40x = 2,015,461,919,981.35
  5. Step 5: Solve for x
    x = 2,015,461,919,981.35/1,573,383.40
  6. Step 6: Final answer
    x = 1,280,973.17

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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.