Home / 1,111,335.60-1,667,846.70-732,126.90

Finding the Fourth Proportional to 1,111,335.60, 1,667,846.70 and 732,126.90

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Solution

The fourth proportional to 1,111,335.60, 1,667,846.70 and 732,126.90 is: 1,098,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,335.60 : 1,667,846.70 = 732,126.90 : x
  2. Step 2: Convert to fraction form
    1,111,335.60/1,667,846.70 = 732,126.90/x
  3. Step 3: Cross multiply
    1,111,335.60x = 1,667,846.70 × 732,126.90
  4. Step 4: Simplify right side
    1,111,335.60x = 1,221,075,434,146.23
  5. Step 5: Solve for x
    x = 1,221,075,434,146.23/1,111,335.60
  6. Step 6: Final answer
    x = 1,098,745.90

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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.