Home / 1,413,110.70-2,119,666.05-1,258,281.90

Finding the Fourth Proportional to 1,413,110.70, 2,119,666.05 and 1,258,281.90

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Solution

The fourth proportional to 1,413,110.70, 2,119,666.05 and 1,258,281.90 is: 1,887,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,110.70 : 2,119,666.05 = 1,258,281.90 : x
  2. Step 2: Convert to fraction form
    1,413,110.70/2,119,666.05 = 1,258,281.90/x
  3. Step 3: Cross multiply
    1,413,110.70x = 2,119,666.05 × 1,258,281.90
  4. Step 4: Simplify right side
    1,413,110.70x = 2,667,137,424,759.49
  5. Step 5: Solve for x
    x = 2,667,137,424,759.49/1,413,110.70
  6. Step 6: Final answer
    x = 1,887,422.85

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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.