Home / 1,005,471.90-1,507,358.16-436,422.60

Finding the Fourth Proportional to 1,005,471.90, 1,507,358.16 and 436,422.60

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Solution

The fourth proportional to 1,005,471.90, 1,507,358.16 and 436,422.60 is: 654,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,471.90 : 1,507,358.16 = 436,422.60 : x
  2. Step 2: Convert to fraction form
    1,005,471.90/1,507,358.16 = 436,422.60/x
  3. Step 3: Cross multiply
    1,005,471.90x = 1,507,358.16 × 436,422.60
  4. Step 4: Simplify right side
    1,005,471.90x = 657,845,167,318.42
  5. Step 5: Solve for x
    x = 657,845,167,318.42/1,005,471.90
  6. Step 6: Final answer
    x = 654,265.09

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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.