Home / 1,459,806.47-2,189,709.71-749,439.71

Finding the Fourth Proportional to 1,459,806.47, 2,189,709.71 and 749,439.71

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Solution

The fourth proportional to 1,459,806.47, 2,189,709.71 and 749,439.71 is: 1,124,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,806.47 : 2,189,709.71 = 749,439.71 : x
  2. Step 2: Convert to fraction form
    1,459,806.47/2,189,709.71 = 749,439.71/x
  3. Step 3: Cross multiply
    1,459,806.47x = 2,189,709.71 × 749,439.71
  4. Step 4: Simplify right side
    1,459,806.47x = 1,641,055,395,350.84
  5. Step 5: Solve for x
    x = 1,641,055,395,350.84/1,459,806.47
  6. Step 6: Final answer
    x = 1,124,159.56

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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.