Home / 1,425,459.64-1,966,388.64-881,421.52

Finding the Fourth Proportional to 1,425,459.64, 1,966,388.64 and 881,421.52

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Solution

The fourth proportional to 1,425,459.64, 1,966,388.64 and 881,421.52 is: 1,215,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,459.64 : 1,966,388.64 = 881,421.52 : x
  2. Step 2: Convert to fraction form
    1,425,459.64/1,966,388.64 = 881,421.52/x
  3. Step 3: Cross multiply
    1,425,459.64x = 1,966,388.64 × 881,421.52
  4. Step 4: Simplify right side
    1,425,459.64x = 1,733,217,263,979.53
  5. Step 5: Solve for x
    x = 1,733,217,263,979.53/1,425,459.64
  6. Step 6: Final answer
    x = 1,215,900.62

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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.