Home / 1,130,443.80-1,560,012.04-621,178.96

Finding the Fourth Proportional to 1,130,443.80, 1,560,012.04 and 621,178.96

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Solution

The fourth proportional to 1,130,443.80, 1,560,012.04 and 621,178.96 is: 857,226.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,443.80 : 1,560,012.04 = 621,178.96 : x
  2. Step 2: Convert to fraction form
    1,130,443.80/1,560,012.04 = 621,178.96/x
  3. Step 3: Cross multiply
    1,130,443.80x = 1,560,012.04 × 621,178.96
  4. Step 4: Simplify right side
    1,130,443.80x = 969,046,656,594.68
  5. Step 5: Solve for x
    x = 969,046,656,594.68/1,130,443.80
  6. Step 6: Final answer
    x = 857,226.74

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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.