Home / 1,007,297.70-1,509,780.15-407,865.30

Finding the Fourth Proportional to 1,007,297.70, 1,509,780.15 and 407,865.30

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Solution

The fourth proportional to 1,007,297.70, 1,509,780.15 and 407,865.30 is: 611,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,297.70 : 1,509,780.15 = 407,865.30 : x
  2. Step 2: Convert to fraction form
    1,007,297.70/1,509,780.15 = 407,865.30/x
  3. Step 3: Cross multiply
    1,007,297.70x = 1,509,780.15 × 407,865.30
  4. Step 4: Simplify right side
    1,007,297.70x = 615,786,933,813.80
  5. Step 5: Solve for x
    x = 615,786,933,813.80/1,007,297.70
  6. Step 6: Final answer
    x = 611,325.66

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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.