Home / 1,021,984.80-1,533,139.20-348,129.60

Finding the Fourth Proportional to 1,021,984.80, 1,533,139.20 and 348,129.60

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Solution

The fourth proportional to 1,021,984.80, 1,533,139.20 and 348,129.60 is: 522,249.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,984.80 : 1,533,139.20 = 348,129.60 : x
  2. Step 2: Convert to fraction form
    1,021,984.80/1,533,139.20 = 348,129.60/x
  3. Step 3: Cross multiply
    1,021,984.80x = 1,533,139.20 × 348,129.60
  4. Step 4: Simplify right side
    1,021,984.80x = 533,731,136,440.32
  5. Step 5: Solve for x
    x = 533,731,136,440.32/1,021,984.80
  6. Step 6: Final answer
    x = 522,249.58

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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.