Home / 1,119,859.80-1,679,789.70-804,931.80

Finding the Fourth Proportional to 1,119,859.80, 1,679,789.70 and 804,931.80

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Solution

The fourth proportional to 1,119,859.80, 1,679,789.70 and 804,931.80 is: 1,207,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,859.80 : 1,679,789.70 = 804,931.80 : x
  2. Step 2: Convert to fraction form
    1,119,859.80/1,679,789.70 = 804,931.80/x
  3. Step 3: Cross multiply
    1,119,859.80x = 1,679,789.70 × 804,931.80
  4. Step 4: Simplify right side
    1,119,859.80x = 1,352,116,146,842.46
  5. Step 5: Solve for x
    x = 1,352,116,146,842.46/1,119,859.80
  6. Step 6: Final answer
    x = 1,207,397.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.