Home / 1,479,002.40-2,216,972.70-803,656.80

Finding the Fourth Proportional to 1,479,002.40, 2,216,972.70 and 803,656.80

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Solution

The fourth proportional to 1,479,002.40, 2,216,972.70 and 803,656.80 is: 1,204,653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,002.40 : 2,216,972.70 = 803,656.80 : x
  2. Step 2: Convert to fraction form
    1,479,002.40/2,216,972.70 = 803,656.80/x
  3. Step 3: Cross multiply
    1,479,002.40x = 2,216,972.70 × 803,656.80
  4. Step 4: Simplify right side
    1,479,002.40x = 1,781,685,185,769.36
  5. Step 5: Solve for x
    x = 1,781,685,185,769.36/1,479,002.40
  6. Step 6: Final answer
    x = 1,204,653.34

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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.