Home / 1,355,422.80-2,030,801.40-881,864.40

Finding the Fourth Proportional to 1,355,422.80, 2,030,801.40 and 881,864.40

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Solution

The fourth proportional to 1,355,422.80, 2,030,801.40 and 881,864.40 is: 1,321,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,422.80 : 2,030,801.40 = 881,864.40 : x
  2. Step 2: Convert to fraction form
    1,355,422.80/2,030,801.40 = 881,864.40/x
  3. Step 3: Cross multiply
    1,355,422.80x = 2,030,801.40 × 881,864.40
  4. Step 4: Simplify right side
    1,355,422.80x = 1,790,891,458,130.16
  5. Step 5: Solve for x
    x = 1,790,891,458,130.16/1,355,422.80
  6. Step 6: Final answer
    x = 1,321,278.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.