Home / 1,787,141.70-2,466,280.49-971,345.13

Finding the Fourth Proportional to 1,787,141.70, 2,466,280.49 and 971,345.13

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Solution

The fourth proportional to 1,787,141.70, 2,466,280.49 and 971,345.13 is: 1,340,469.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,141.70 : 2,466,280.49 = 971,345.13 : x
  2. Step 2: Convert to fraction form
    1,787,141.70/2,466,280.49 = 971,345.13/x
  3. Step 3: Cross multiply
    1,787,141.70x = 2,466,280.49 × 971,345.13
  4. Step 4: Simplify right side
    1,787,141.70x = 2,395,609,538,318.79
  5. Step 5: Solve for x
    x = 2,395,609,538,318.79/1,787,141.70
  6. Step 6: Final answer
    x = 1,340,469.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.