Home / 1,320,567.02-1,980,588.06-646,358.66

Finding the Fourth Proportional to 1,320,567.02, 1,980,588.06 and 646,358.66

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Solution

The fourth proportional to 1,320,567.02, 1,980,588.06 and 646,358.66 is: 969,409.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,567.02 : 1,980,588.06 = 646,358.66 : x
  2. Step 2: Convert to fraction form
    1,320,567.02/1,980,588.06 = 646,358.66/x
  3. Step 3: Cross multiply
    1,320,567.02x = 1,980,588.06 × 646,358.66
  4. Step 4: Simplify right side
    1,320,567.02x = 1,280,170,244,473.60
  5. Step 5: Solve for x
    x = 1,280,170,244,473.60/1,320,567.02
  6. Step 6: Final answer
    x = 969,409.52

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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.