Home / 1,439,637.79-2,160,765.38-766,282.36

Finding the Fourth Proportional to 1,439,637.79, 2,160,765.38 and 766,282.36

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Solution

The fourth proportional to 1,439,637.79, 2,160,765.38 and 766,282.36 is: 1,150,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,637.79 : 2,160,765.38 = 766,282.36 : x
  2. Step 2: Convert to fraction form
    1,439,637.79/2,160,765.38 = 766,282.36/x
  3. Step 3: Cross multiply
    1,439,637.79x = 2,160,765.38 × 766,282.36
  4. Step 4: Simplify right side
    1,439,637.79x = 1,655,756,394,792.70
  5. Step 5: Solve for x
    x = 1,655,756,394,792.70/1,439,637.79
  6. Step 6: Final answer
    x = 1,150,120.12

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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.