Home / 1,223,221.28-1,688,066.24-671,960.24

Finding the Fourth Proportional to 1,223,221.28, 1,688,066.24 and 671,960.24

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Solution

The fourth proportional to 1,223,221.28, 1,688,066.24 and 671,960.24 is: 927,316.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,221.28 : 1,688,066.24 = 671,960.24 : x
  2. Step 2: Convert to fraction form
    1,223,221.28/1,688,066.24 = 671,960.24/x
  3. Step 3: Cross multiply
    1,223,221.28x = 1,688,066.24 × 671,960.24
  4. Step 4: Simplify right side
    1,223,221.28x = 1,134,313,383,966.17
  5. Step 5: Solve for x
    x = 1,134,313,383,966.17/1,223,221.28
  6. Step 6: Final answer
    x = 927,316.59

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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.