Home / 1,011,513.72-1,395,917.10-558,833.88

Finding the Fourth Proportional to 1,011,513.72, 1,395,917.10 and 558,833.88

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Solution

The fourth proportional to 1,011,513.72, 1,395,917.10 and 558,833.88 is: 771,206.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,513.72 : 1,395,917.10 = 558,833.88 : x
  2. Step 2: Convert to fraction form
    1,011,513.72/1,395,917.10 = 558,833.88/x
  3. Step 3: Cross multiply
    1,011,513.72x = 1,395,917.10 × 558,833.88
  4. Step 4: Simplify right side
    1,011,513.72x = 780,085,769,151.35
  5. Step 5: Solve for x
    x = 780,085,769,151.35/1,011,513.72
  6. Step 6: Final answer
    x = 771,206.32

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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.