Home / 1,112,412.02-1,667,628.45-402,282.30

Finding the Fourth Proportional to 1,112,412.02, 1,667,628.45 and 402,282.30

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Solution

The fourth proportional to 1,112,412.02, 1,667,628.45 and 402,282.30 is: 603,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,412.02 : 1,667,628.45 = 402,282.30 : x
  2. Step 2: Convert to fraction form
    1,112,412.02/1,667,628.45 = 402,282.30/x
  3. Step 3: Cross multiply
    1,112,412.02x = 1,667,628.45 × 402,282.30
  4. Step 4: Simplify right side
    1,112,412.02x = 670,857,408,411.44
  5. Step 5: Solve for x
    x = 670,857,408,411.44/1,112,412.02
  6. Step 6: Final answer
    x = 603,065.59

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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.