Home / 1,570,419.34-2,167,131.38-872,697.80

Finding the Fourth Proportional to 1,570,419.34, 2,167,131.38 and 872,697.80

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Solution

The fourth proportional to 1,570,419.34, 2,167,131.38 and 872,697.80 is: 1,204,296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,419.34 : 2,167,131.38 = 872,697.80 : x
  2. Step 2: Convert to fraction form
    1,570,419.34/2,167,131.38 = 872,697.80/x
  3. Step 3: Cross multiply
    1,570,419.34x = 2,167,131.38 × 872,697.80
  4. Step 4: Simplify right side
    1,570,419.34x = 1,891,250,776,501.19
  5. Step 5: Solve for x
    x = 1,891,250,776,501.19/1,570,419.34
  6. Step 6: Final answer
    x = 1,204,296.66

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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.