Home / 1,112,414.02-1,667,631.45-402,284.30

Finding the Fourth Proportional to 1,112,414.02, 1,667,631.45 and 402,284.30

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Solution

The fourth proportional to 1,112,414.02, 1,667,631.45 and 402,284.30 is: 603,068.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,414.02 : 1,667,631.45 = 402,284.30 : x
  2. Step 2: Convert to fraction form
    1,112,414.02/1,667,631.45 = 402,284.30/x
  3. Step 3: Cross multiply
    1,112,414.02x = 1,667,631.45 × 402,284.30
  4. Step 4: Simplify right side
    1,112,414.02x = 670,861,950,521.24
  5. Step 5: Solve for x
    x = 670,861,950,521.24/1,112,414.02
  6. Step 6: Final answer
    x = 603,068.59

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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.