Home / 1,380,119.80-2,070,262.40-433,490.52

Finding the Fourth Proportional to 1,380,119.80, 2,070,262.40 and 433,490.52

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Solution

The fourth proportional to 1,380,119.80, 2,070,262.40 and 433,490.52 is: 650,261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,119.80 : 2,070,262.40 = 433,490.52 : x
  2. Step 2: Convert to fraction form
    1,380,119.80/2,070,262.40 = 433,490.52/x
  3. Step 3: Cross multiply
    1,380,119.80x = 2,070,262.40 × 433,490.52
  4. Step 4: Simplify right side
    1,380,119.80x = 897,439,124,312.45
  5. Step 5: Solve for x
    x = 897,439,124,312.45/1,380,119.80
  6. Step 6: Final answer
    x = 650,261.76

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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.