Home / 1,438,313.06-2,156,780.46-679,522.52

Finding the Fourth Proportional to 1,438,313.06, 2,156,780.46 and 679,522.52

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Solution

The fourth proportional to 1,438,313.06, 2,156,780.46 and 679,522.52 is: 1,018,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,313.06 : 2,156,780.46 = 679,522.52 : x
  2. Step 2: Convert to fraction form
    1,438,313.06/2,156,780.46 = 679,522.52/x
  3. Step 3: Cross multiply
    1,438,313.06x = 2,156,780.46 × 679,522.52
  4. Step 4: Simplify right side
    1,438,313.06x = 1,465,580,893,265.96
  5. Step 5: Solve for x
    x = 1,465,580,893,265.96/1,438,313.06
  6. Step 6: Final answer
    x = 1,018,958.20

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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.