Home / 1,471,445.40-2,206,919.02-406,490.56

Finding the Fourth Proportional to 1,471,445.40, 2,206,919.02 and 406,490.56

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Solution

The fourth proportional to 1,471,445.40, 2,206,919.02 and 406,490.56 is: 609,667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,445.40 : 2,206,919.02 = 406,490.56 : x
  2. Step 2: Convert to fraction form
    1,471,445.40/2,206,919.02 = 406,490.56/x
  3. Step 3: Cross multiply
    1,471,445.40x = 2,206,919.02 × 406,490.56
  4. Step 4: Simplify right side
    1,471,445.40x = 897,091,748,314.45
  5. Step 5: Solve for x
    x = 897,091,748,314.45/1,471,445.40
  6. Step 6: Final answer
    x = 609,667.03

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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.