Home / 1,380,123.20-2,070,267.47-433,493.89

Finding the Fourth Proportional to 1,380,123.20, 2,070,267.47 and 433,493.89

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Solution

The fourth proportional to 1,380,123.20, 2,070,267.47 and 433,493.89 is: 650,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,123.20 : 2,070,267.47 = 433,493.89 : x
  2. Step 2: Convert to fraction form
    1,380,123.20/2,070,267.47 = 433,493.89/x
  3. Step 3: Cross multiply
    1,380,123.20x = 2,070,267.47 × 433,493.89
  4. Step 4: Simplify right side
    1,380,123.20x = 897,448,298,910.76
  5. Step 5: Solve for x
    x = 897,448,298,910.76/1,380,123.20
  6. Step 6: Final answer
    x = 650,266.80

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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.