Home / 1,571,340.06-2,168,710.20-926,918.64

Finding the Fourth Proportional to 1,571,340.06, 2,168,710.20 and 926,918.64

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Solution

The fourth proportional to 1,571,340.06, 2,168,710.20 and 926,918.64 is: 1,279,301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,340.06 : 2,168,710.20 = 926,918.64 : x
  2. Step 2: Convert to fraction form
    1,571,340.06/2,168,710.20 = 926,918.64/x
  3. Step 3: Cross multiply
    1,571,340.06x = 2,168,710.20 × 926,918.64
  4. Step 4: Simplify right side
    1,571,340.06x = 2,010,217,909,138.13
  5. Step 5: Solve for x
    x = 2,010,217,909,138.13/1,571,340.06
  6. Step 6: Final answer
    x = 1,279,301.64

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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.