Home / 1,296,962.12-1,946,629.70-657,707.02

Finding the Fourth Proportional to 1,296,962.12, 1,946,629.70 and 657,707.02

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Solution

The fourth proportional to 1,296,962.12, 1,946,629.70 and 657,707.02 is: 987,162.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,962.12 : 1,946,629.70 = 657,707.02 : x
  2. Step 2: Convert to fraction form
    1,296,962.12/1,946,629.70 = 657,707.02/x
  3. Step 3: Cross multiply
    1,296,962.12x = 1,946,629.70 × 657,707.02
  4. Step 4: Simplify right side
    1,296,962.12x = 1,280,312,019,030.49
  5. Step 5: Solve for x
    x = 1,280,312,019,030.49/1,296,962.12
  6. Step 6: Final answer
    x = 987,162.23

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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.