Home / 1,011,962.62-1,518,206.83-301,990.66

Finding the Fourth Proportional to 1,011,962.62, 1,518,206.83 and 301,990.66

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Solution

The fourth proportional to 1,011,962.62, 1,518,206.83 and 301,990.66 is: 453,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,962.62 : 1,518,206.83 = 301,990.66 : x
  2. Step 2: Convert to fraction form
    1,011,962.62/1,518,206.83 = 301,990.66/x
  3. Step 3: Cross multiply
    1,011,962.62x = 1,518,206.83 × 301,990.66
  4. Step 4: Simplify right side
    1,011,962.62x = 458,484,278,057.71
  5. Step 5: Solve for x
    x = 458,484,278,057.71/1,011,962.62
  6. Step 6: Final answer
    x = 453,064.44

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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.