Home / 1,681,740-2,320,850.40-917,842.56

Finding the Fourth Proportional to 1,681,740, 2,320,850.40 and 917,842.56

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Solution

The fourth proportional to 1,681,740, 2,320,850.40 and 917,842.56 is: 1,266,649.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,740 : 2,320,850.40 = 917,842.56 : x
  2. Step 2: Convert to fraction form
    1,681,740/2,320,850.40 = 917,842.56/x
  3. Step 3: Cross multiply
    1,681,740x = 2,320,850.40 × 917,842.56
  4. Step 4: Simplify right side
    1,681,740x = 2,130,175,272,513.02
  5. Step 5: Solve for x
    x = 2,130,175,272,513.02/1,681,740
  6. Step 6: Final answer
    x = 1,266,649.58

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1.5x scale

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.