Home / 1,296,955.12-1,946,619.20-657,700.02

Finding the Fourth Proportional to 1,296,955.12, 1,946,619.20 and 657,700.02

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Solution

The fourth proportional to 1,296,955.12, 1,946,619.20 and 657,700.02 is: 987,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,955.12 : 1,946,619.20 = 657,700.02 : x
  2. Step 2: Convert to fraction form
    1,296,955.12/1,946,619.20 = 657,700.02/x
  3. Step 3: Cross multiply
    1,296,955.12x = 1,946,619.20 × 657,700.02
  4. Step 4: Simplify right side
    1,296,955.12x = 1,280,291,486,772.38
  5. Step 5: Solve for x
    x = 1,280,291,486,772.38/1,296,955.12
  6. Step 6: Final answer
    x = 987,151.73

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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.