Home / 1,056,006.78-1,457,288.01-572,571.15

Finding the Fourth Proportional to 1,056,006.78, 1,457,288.01 and 572,571.15

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Solution

The fourth proportional to 1,056,006.78, 1,457,288.01 and 572,571.15 is: 790,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,006.78 : 1,457,288.01 = 572,571.15 : x
  2. Step 2: Convert to fraction form
    1,056,006.78/1,457,288.01 = 572,571.15/x
  3. Step 3: Cross multiply
    1,056,006.78x = 1,457,288.01 × 572,571.15
  4. Step 4: Simplify right side
    1,056,006.78x = 834,401,071,766.91
  5. Step 5: Solve for x
    x = 834,401,071,766.91/1,056,006.78
  6. Step 6: Final answer
    x = 790,147.46

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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.