Home / 810,037.60-1,215,056.40-741,803.20

Finding the Fourth Proportional to 810,037.60, 1,215,056.40 and 741,803.20

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Solution

The fourth proportional to 810,037.60, 1,215,056.40 and 741,803.20 is: 1,112,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,037.60 : 1,215,056.40 = 741,803.20 : x
  2. Step 2: Convert to fraction form
    810,037.60/1,215,056.40 = 741,803.20/x
  3. Step 3: Cross multiply
    810,037.60x = 1,215,056.40 × 741,803.20
  4. Step 4: Simplify right side
    810,037.60x = 901,332,725,700.48
  5. Step 5: Solve for x
    x = 901,332,725,700.48/810,037.60
  6. Step 6: Final answer
    x = 1,112,704.80

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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.