Home / 1,296,425.16-1,789,068-723,465.12

Finding the Fourth Proportional to 1,296,425.16, 1,789,068 and 723,465.12

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Solution

The fourth proportional to 1,296,425.16, 1,789,068 and 723,465.12 is: 998,382.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,425.16 : 1,789,068 = 723,465.12 : x
  2. Step 2: Convert to fraction form
    1,296,425.16/1,789,068 = 723,465.12/x
  3. Step 3: Cross multiply
    1,296,425.16x = 1,789,068 × 723,465.12
  4. Step 4: Simplify right side
    1,296,425.16x = 1,294,328,295,308.16
  5. Step 5: Solve for x
    x = 1,294,328,295,308.16/1,296,425.16
  6. Step 6: Final answer
    x = 998,382.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.