Home / 1,178,637.20-1,767,955.80-680,973.20

Finding the Fourth Proportional to 1,178,637.20, 1,767,955.80 and 680,973.20

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Solution

The fourth proportional to 1,178,637.20, 1,767,955.80 and 680,973.20 is: 1,021,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,637.20 : 1,767,955.80 = 680,973.20 : x
  2. Step 2: Convert to fraction form
    1,178,637.20/1,767,955.80 = 680,973.20/x
  3. Step 3: Cross multiply
    1,178,637.20x = 1,767,955.80 × 680,973.20
  4. Step 4: Simplify right side
    1,178,637.20x = 1,203,930,518,584.56
  5. Step 5: Solve for x
    x = 1,203,930,518,584.56/1,178,637.20
  6. Step 6: Final answer
    x = 1,021,459.80

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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.