Home / 1,380,123.45-2,070,267.84-433,494.14

Finding the Fourth Proportional to 1,380,123.45, 2,070,267.84 and 433,494.14

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Solution

The fourth proportional to 1,380,123.45, 2,070,267.84 and 433,494.14 is: 650,267.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,123.45 : 2,070,267.84 = 433,494.14 : x
  2. Step 2: Convert to fraction form
    1,380,123.45/2,070,267.84 = 433,494.14/x
  3. Step 3: Cross multiply
    1,380,123.45x = 2,070,267.84 × 433,494.14
  4. Step 4: Simplify right side
    1,380,123.45x = 897,448,966,519.12
  5. Step 5: Solve for x
    x = 897,448,966,519.12/1,380,123.45
  6. Step 6: Final answer
    x = 650,267.17

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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.