Home / 1,003,072.20-1,384,228.08-550,363.20

Finding the Fourth Proportional to 1,003,072.20, 1,384,228.08 and 550,363.20

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Solution

The fourth proportional to 1,003,072.20, 1,384,228.08 and 550,363.20 is: 759,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,072.20 : 1,384,228.08 = 550,363.20 : x
  2. Step 2: Convert to fraction form
    1,003,072.20/1,384,228.08 = 550,363.20/x
  3. Step 3: Cross multiply
    1,003,072.20x = 1,384,228.08 × 550,363.20
  4. Step 4: Simplify right side
    1,003,072.20x = 761,828,195,638.66
  5. Step 5: Solve for x
    x = 761,828,195,638.66/1,003,072.20
  6. Step 6: Final answer
    x = 759,494.88

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1.5x scale

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.