Home / 1,011,159.72-1,395,391.86-558,441

Finding the Fourth Proportional to 1,011,159.72, 1,395,391.86 and 558,441

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Solution

The fourth proportional to 1,011,159.72, 1,395,391.86 and 558,441 is: 770,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,159.72 : 1,395,391.86 = 558,441 : x
  2. Step 2: Convert to fraction form
    1,011,159.72/1,395,391.86 = 558,441/x
  3. Step 3: Cross multiply
    1,011,159.72x = 1,395,391.86 × 558,441
  4. Step 4: Simplify right side
    1,011,159.72x = 779,244,025,690.26
  5. Step 5: Solve for x
    x = 779,244,025,690.26/1,011,159.72
  6. Step 6: Final answer
    x = 770,643.86

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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.