Home / 1,048,723.20-1,447,372.80-709,171.20

Finding the Fourth Proportional to 1,048,723.20, 1,447,372.80 and 709,171.20

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Solution

The fourth proportional to 1,048,723.20, 1,447,372.80 and 709,171.20 is: 978,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,723.20 : 1,447,372.80 = 709,171.20 : x
  2. Step 2: Convert to fraction form
    1,048,723.20/1,447,372.80 = 709,171.20/x
  3. Step 3: Cross multiply
    1,048,723.20x = 1,447,372.80 × 709,171.20
  4. Step 4: Simplify right side
    1,048,723.20x = 1,026,435,105,423.36
  5. Step 5: Solve for x
    x = 1,026,435,105,423.36/1,048,723.20
  6. Step 6: Final answer
    x = 978,747.40

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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.