Home / 1,347,336.32-1,859,320.32-743,720

Finding the Fourth Proportional to 1,347,336.32, 1,859,320.32 and 743,720

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Solution

The fourth proportional to 1,347,336.32, 1,859,320.32 and 743,720 is: 1,026,331.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,336.32 : 1,859,320.32 = 743,720 : x
  2. Step 2: Convert to fraction form
    1,347,336.32/1,859,320.32 = 743,720/x
  3. Step 3: Cross multiply
    1,347,336.32x = 1,859,320.32 × 743,720
  4. Step 4: Simplify right side
    1,347,336.32x = 1,382,813,708,390.40
  5. Step 5: Solve for x
    x = 1,382,813,708,390.40/1,347,336.32
  6. Step 6: Final answer
    x = 1,026,331.50

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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.