Home / 1,242,157.20-1,864,329.30-736,085.40

Finding the Fourth Proportional to 1,242,157.20, 1,864,329.30 and 736,085.40

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Solution

The fourth proportional to 1,242,157.20, 1,864,329.30 and 736,085.40 is: 1,104,776.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,157.20 : 1,864,329.30 = 736,085.40 : x
  2. Step 2: Convert to fraction form
    1,242,157.20/1,864,329.30 = 736,085.40/x
  3. Step 3: Cross multiply
    1,242,157.20x = 1,864,329.30 × 736,085.40
  4. Step 4: Simplify right side
    1,242,157.20x = 1,372,305,578,522.22
  5. Step 5: Solve for x
    x = 1,372,305,578,522.22/1,242,157.20
  6. Step 6: Final answer
    x = 1,104,776.09

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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.