Home / 1,000,087.02-1,380,200.70-570,399.84

Finding the Fourth Proportional to 1,000,087.02, 1,380,200.70 and 570,399.84

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Solution

The fourth proportional to 1,000,087.02, 1,380,200.70 and 570,399.84 is: 787,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,087.02 : 1,380,200.70 = 570,399.84 : x
  2. Step 2: Convert to fraction form
    1,000,087.02/1,380,200.70 = 570,399.84/x
  3. Step 3: Cross multiply
    1,000,087.02x = 1,380,200.70 × 570,399.84
  4. Step 4: Simplify right side
    1,000,087.02x = 787,266,258,447.89
  5. Step 5: Solve for x
    x = 787,266,258,447.89/1,000,087.02
  6. Step 6: Final answer
    x = 787,197.76

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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.