Home / 1,425,479.67-1,966,416.62-881,441.55

Finding the Fourth Proportional to 1,425,479.67, 1,966,416.62 and 881,441.55

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Solution

The fourth proportional to 1,425,479.67, 1,966,416.62 and 881,441.55 is: 1,215,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,479.67 : 1,966,416.62 = 881,441.55 : x
  2. Step 2: Convert to fraction form
    1,425,479.67/1,966,416.62 = 881,441.55/x
  3. Step 3: Cross multiply
    1,425,479.67x = 1,966,416.62 × 881,441.55
  4. Step 4: Simplify right side
    1,425,479.67x = 1,733,281,309,071.35
  5. Step 5: Solve for x
    x = 1,733,281,309,071.35/1,425,479.67
  6. Step 6: Final answer
    x = 1,215,928.47

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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.