Home / 1,203,995.61-1,803,586.95-723,960.57

Finding the Fourth Proportional to 1,203,995.61, 1,803,586.95 and 723,960.57

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Solution

The fourth proportional to 1,203,995.61, 1,803,586.95 and 723,960.57 is: 1,084,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,995.61 : 1,803,586.95 = 723,960.57 : x
  2. Step 2: Convert to fraction form
    1,203,995.61/1,803,586.95 = 723,960.57/x
  3. Step 3: Cross multiply
    1,203,995.61x = 1,803,586.95 × 723,960.57
  4. Step 4: Simplify right side
    1,203,995.61x = 1,305,725,832,746.76
  5. Step 5: Solve for x
    x = 1,305,725,832,746.76/1,203,995.61
  6. Step 6: Final answer
    x = 1,084,493.85

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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.