Home / 1,780,030.60-2,668,865.10-981,694.60

Finding the Fourth Proportional to 1,780,030.60, 2,668,865.10 and 981,694.60

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Solution

The fourth proportional to 1,780,030.60, 2,668,865.10 and 981,694.60 is: 1,471,890.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,030.60 : 2,668,865.10 = 981,694.60 : x
  2. Step 2: Convert to fraction form
    1,780,030.60/2,668,865.10 = 981,694.60/x
  3. Step 3: Cross multiply
    1,780,030.60x = 2,668,865.10 × 981,694.60
  4. Step 4: Simplify right side
    1,780,030.60x = 2,620,010,456,798.46
  5. Step 5: Solve for x
    x = 2,620,010,456,798.46/1,780,030.60
  6. Step 6: Final answer
    x = 1,471,890.68

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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.