Home / 1,155,378.32-1,733,103-313,947.92

Finding the Fourth Proportional to 1,155,378.32, 1,733,103 and 313,947.92

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Solution

The fourth proportional to 1,155,378.32, 1,733,103 and 313,947.92 is: 470,931.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,378.32 : 1,733,103 = 313,947.92 : x
  2. Step 2: Convert to fraction form
    1,155,378.32/1,733,103 = 313,947.92/x
  3. Step 3: Cross multiply
    1,155,378.32x = 1,733,103 × 313,947.92
  4. Step 4: Simplify right side
    1,155,378.32x = 544,104,081,995.76
  5. Step 5: Solve for x
    x = 544,104,081,995.76/1,155,378.32
  6. Step 6: Final answer
    x = 470,931.53

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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.