Home / 1,011,379.82-1,395,746.63-581,660.34

Finding the Fourth Proportional to 1,011,379.82, 1,395,746.63 and 581,660.34

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Solution

The fourth proportional to 1,011,379.82, 1,395,746.63 and 581,660.34 is: 802,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,379.82 : 1,395,746.63 = 581,660.34 : x
  2. Step 2: Convert to fraction form
    1,011,379.82/1,395,746.63 = 581,660.34/x
  3. Step 3: Cross multiply
    1,011,379.82x = 1,395,746.63 × 581,660.34
  4. Step 4: Simplify right side
    1,011,379.82x = 811,850,456,451.35
  5. Step 5: Solve for x
    x = 811,850,456,451.35/1,011,379.82
  6. Step 6: Final answer
    x = 802,715.70

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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.