Home / 1,007,011.12-1,389,704.88-548,155.62

Finding the Fourth Proportional to 1,007,011.12, 1,389,704.88 and 548,155.62

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Solution

The fourth proportional to 1,007,011.12, 1,389,704.88 and 548,155.62 is: 756,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,011.12 : 1,389,704.88 = 548,155.62 : x
  2. Step 2: Convert to fraction form
    1,007,011.12/1,389,704.88 = 548,155.62/x
  3. Step 3: Cross multiply
    1,007,011.12x = 1,389,704.88 × 548,155.62
  4. Step 4: Simplify right side
    1,007,011.12x = 761,774,540,113.43
  5. Step 5: Solve for x
    x = 761,774,540,113.43/1,007,011.12
  6. Step 6: Final answer
    x = 756,470.83

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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.