Home / 1,347,439-1,859,465.82-743,831.32

Finding the Fourth Proportional to 1,347,439, 1,859,465.82 and 743,831.32

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Solution

The fourth proportional to 1,347,439, 1,859,465.82 and 743,831.32 is: 1,026,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,439 : 1,859,465.82 = 743,831.32 : x
  2. Step 2: Convert to fraction form
    1,347,439/1,859,465.82 = 743,831.32/x
  3. Step 3: Cross multiply
    1,347,439x = 1,859,465.82 × 743,831.32
  4. Step 4: Simplify right side
    1,347,439x = 1,383,128,915,385.48
  5. Step 5: Solve for x
    x = 1,383,128,915,385.48/1,347,439
  6. Step 6: Final answer
    x = 1,026,487.22

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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.