Home / 1,570,420.10-2,167,132.41-872,698.55

Finding the Fourth Proportional to 1,570,420.10, 2,167,132.41 and 872,698.55

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Solution

The fourth proportional to 1,570,420.10, 2,167,132.41 and 872,698.55 is: 1,204,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,420.10 : 2,167,132.41 = 872,698.55 : x
  2. Step 2: Convert to fraction form
    1,570,420.10/2,167,132.41 = 872,698.55/x
  3. Step 3: Cross multiply
    1,570,420.10x = 2,167,132.41 × 872,698.55
  4. Step 4: Simplify right side
    1,570,420.10x = 1,891,253,301,029.34
  5. Step 5: Solve for x
    x = 1,891,253,301,029.34/1,570,420.10
  6. Step 6: Final answer
    x = 1,204,297.70

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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.