Home / 1,333,484.40-2,001,101.40-764,864.40

Finding the Fourth Proportional to 1,333,484.40, 2,001,101.40 and 764,864.40

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Solution

The fourth proportional to 1,333,484.40, 2,001,101.40 and 764,864.40 is: 1,147,798.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,484.40 : 2,001,101.40 = 764,864.40 : x
  2. Step 2: Convert to fraction form
    1,333,484.40/2,001,101.40 = 764,864.40/x
  3. Step 3: Cross multiply
    1,333,484.40x = 2,001,101.40 × 764,864.40
  4. Step 4: Simplify right side
    1,333,484.40x = 1,530,571,221,650.16
  5. Step 5: Solve for x
    x = 1,530,571,221,650.16/1,333,484.40
  6. Step 6: Final answer
    x = 1,147,798.37

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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.