Home / 1,409,039.91-1,944,478.58-764,459.93

Finding the Fourth Proportional to 1,409,039.91, 1,944,478.58 and 764,459.93

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Solution

The fourth proportional to 1,409,039.91, 1,944,478.58 and 764,459.93 is: 1,054,956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,039.91 : 1,944,478.58 = 764,459.93 : x
  2. Step 2: Convert to fraction form
    1,409,039.91/1,944,478.58 = 764,459.93/x
  3. Step 3: Cross multiply
    1,409,039.91x = 1,944,478.58 × 764,459.93
  4. Step 4: Simplify right side
    1,409,039.91x = 1,486,475,960,192.20
  5. Step 5: Solve for x
    x = 1,486,475,960,192.20/1,409,039.91
  6. Step 6: Final answer
    x = 1,054,956.61

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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.