Home / 1,411,212.28-1,947,476.70-766,627.24

Finding the Fourth Proportional to 1,411,212.28, 1,947,476.70 and 766,627.24

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Solution

The fourth proportional to 1,411,212.28, 1,947,476.70 and 766,627.24 is: 1,057,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,212.28 : 1,947,476.70 = 766,627.24 : x
  2. Step 2: Convert to fraction form
    1,411,212.28/1,947,476.70 = 766,627.24/x
  3. Step 3: Cross multiply
    1,411,212.28x = 1,947,476.70 × 766,627.24
  4. Step 4: Simplify right side
    1,411,212.28x = 1,492,988,687,485.31
  5. Step 5: Solve for x
    x = 1,492,988,687,485.31/1,411,212.28
  6. Step 6: Final answer
    x = 1,057,947.63

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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.