Home / 1,178,780.40-1,767,004.20-579,250.80

Finding the Fourth Proportional to 1,178,780.40, 1,767,004.20 and 579,250.80

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Solution

The fourth proportional to 1,178,780.40, 1,767,004.20 and 579,250.80 is: 868,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,780.40 : 1,767,004.20 = 579,250.80 : x
  2. Step 2: Convert to fraction form
    1,178,780.40/1,767,004.20 = 579,250.80/x
  3. Step 3: Cross multiply
    1,178,780.40x = 1,767,004.20 × 579,250.80
  4. Step 4: Simplify right side
    1,178,780.40x = 1,023,538,596,453.36
  5. Step 5: Solve for x
    x = 1,023,538,596,453.36/1,178,780.40
  6. Step 6: Final answer
    x = 868,303.03

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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.