Home / 1,030,228.38-1,422,011.70-622,265.40

Finding the Fourth Proportional to 1,030,228.38, 1,422,011.70 and 622,265.40

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Solution

The fourth proportional to 1,030,228.38, 1,422,011.70 and 622,265.40 is: 858,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,228.38 : 1,422,011.70 = 622,265.40 : x
  2. Step 2: Convert to fraction form
    1,030,228.38/1,422,011.70 = 622,265.40/x
  3. Step 3: Cross multiply
    1,030,228.38x = 1,422,011.70 × 622,265.40
  4. Step 4: Simplify right side
    1,030,228.38x = 884,868,679,305.18
  5. Step 5: Solve for x
    x = 884,868,679,305.18/1,030,228.38
  6. Step 6: Final answer
    x = 858,905.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.