Home / 1,179,206.48-1,768,256.76-430,729.04

Finding the Fourth Proportional to 1,179,206.48, 1,768,256.76 and 430,729.04

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Solution

The fourth proportional to 1,179,206.48, 1,768,256.76 and 430,729.04 is: 645,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,206.48 : 1,768,256.76 = 430,729.04 : x
  2. Step 2: Convert to fraction form
    1,179,206.48/1,768,256.76 = 430,729.04/x
  3. Step 3: Cross multiply
    1,179,206.48x = 1,768,256.76 × 430,729.04
  4. Step 4: Simplify right side
    1,179,206.48x = 761,639,536,708.31
  5. Step 5: Solve for x
    x = 761,639,536,708.31/1,179,206.48
  6. Step 6: Final answer
    x = 645,891.58

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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.