Home / 1,011,984.32-1,518,195.21-380,896.34

Finding the Fourth Proportional to 1,011,984.32, 1,518,195.21 and 380,896.34

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Solution

The fourth proportional to 1,011,984.32, 1,518,195.21 and 380,896.34 is: 571,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,984.32 : 1,518,195.21 = 380,896.34 : x
  2. Step 2: Convert to fraction form
    1,011,984.32/1,518,195.21 = 380,896.34/x
  3. Step 3: Cross multiply
    1,011,984.32x = 1,518,195.21 × 380,896.34
  4. Step 4: Simplify right side
    1,011,984.32x = 578,274,998,894.53
  5. Step 5: Solve for x
    x = 578,274,998,894.53/1,011,984.32
  6. Step 6: Final answer
    x = 571,426.84

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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.