Home / 1,153,459.80-1,729,671.30-443,251.80

Finding the Fourth Proportional to 1,153,459.80, 1,729,671.30 and 443,251.80

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Solution

The fourth proportional to 1,153,459.80, 1,729,671.30 and 443,251.80 is: 664,678.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,459.80 : 1,729,671.30 = 443,251.80 : x
  2. Step 2: Convert to fraction form
    1,153,459.80/1,729,671.30 = 443,251.80/x
  3. Step 3: Cross multiply
    1,153,459.80x = 1,729,671.30 × 443,251.80
  4. Step 4: Simplify right side
    1,153,459.80x = 766,679,917,133.34
  5. Step 5: Solve for x
    x = 766,679,917,133.34/1,153,459.80
  6. Step 6: Final answer
    x = 664,678.49

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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.