Home / 840,955.20-1,259,359.20-558,945.60

Finding the Fourth Proportional to 840,955.20, 1,259,359.20 and 558,945.60

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Solution

The fourth proportional to 840,955.20, 1,259,359.20 and 558,945.60 is: 837,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,955.20 : 1,259,359.20 = 558,945.60 : x
  2. Step 2: Convert to fraction form
    840,955.20/1,259,359.20 = 558,945.60/x
  3. Step 3: Cross multiply
    840,955.20x = 1,259,359.20 × 558,945.60
  4. Step 4: Simplify right side
    840,955.20x = 703,913,283,659.52
  5. Step 5: Solve for x
    x = 703,913,283,659.52/840,955.20
  6. Step 6: Final answer
    x = 837,040.17

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1.5x scale

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.