Home / 1,420,907.07-2,132,877.86-611,692

Finding the Fourth Proportional to 1,420,907.07, 2,132,877.86 and 611,692

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Solution

The fourth proportional to 1,420,907.07, 2,132,877.86 and 611,692 is: 918,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,907.07 : 2,132,877.86 = 611,692 : x
  2. Step 2: Convert to fraction form
    1,420,907.07/2,132,877.86 = 611,692/x
  3. Step 3: Cross multiply
    1,420,907.07x = 2,132,877.86 × 611,692
  4. Step 4: Simplify right side
    1,420,907.07x = 1,304,664,323,939.12
  5. Step 5: Solve for x
    x = 1,304,664,323,939.12/1,420,907.07
  6. Step 6: Final answer
    x = 918,191.17

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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.