Home / 1,955,378.40-2,698,800.48-1,275,133.92

Finding the Fourth Proportional to 1,955,378.40, 2,698,800.48 and 1,275,133.92

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Solution

The fourth proportional to 1,955,378.40, 2,698,800.48 and 1,275,133.92 is: 1,759,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955,378.40 : 2,698,800.48 = 1,275,133.92 : x
  2. Step 2: Convert to fraction form
    1,955,378.40/2,698,800.48 = 1,275,133.92/x
  3. Step 3: Cross multiply
    1,955,378.40x = 2,698,800.48 × 1,275,133.92
  4. Step 4: Simplify right side
    1,955,378.40x = 3,441,332,035,360.28
  5. Step 5: Solve for x
    x = 3,441,332,035,360.28/1,955,378.40
  6. Step 6: Final answer
    x = 1,759,931.50

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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.