Home / 1,279,295.73-1,763,325.68-906,885.59

Finding the Fourth Proportional to 1,279,295.73, 1,763,325.68 and 906,885.59

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Solution

The fourth proportional to 1,279,295.73, 1,763,325.68 and 906,885.59 is: 1,250,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,295.73 : 1,763,325.68 = 906,885.59 : x
  2. Step 2: Convert to fraction form
    1,279,295.73/1,763,325.68 = 906,885.59/x
  3. Step 3: Cross multiply
    1,279,295.73x = 1,763,325.68 × 906,885.59
  4. Step 4: Simplify right side
    1,279,295.73x = 1,599,134,636,317.89
  5. Step 5: Solve for x
    x = 1,599,134,636,317.89/1,279,295.73
  6. Step 6: Final answer
    x = 1,250,011.70

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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.