Home / 1,242,156.20-1,864,327.80-736,084.40

Finding the Fourth Proportional to 1,242,156.20, 1,864,327.80 and 736,084.40

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Solution

The fourth proportional to 1,242,156.20, 1,864,327.80 and 736,084.40 is: 1,104,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,156.20 : 1,864,327.80 = 736,084.40 : x
  2. Step 2: Convert to fraction form
    1,242,156.20/1,864,327.80 = 736,084.40/x
  3. Step 3: Cross multiply
    1,242,156.20x = 1,864,327.80 × 736,084.40
  4. Step 4: Simplify right side
    1,242,156.20x = 1,372,302,610,066.32
  5. Step 5: Solve for x
    x = 1,372,302,610,066.32/1,242,156.20
  6. Step 6: Final answer
    x = 1,104,774.59

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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.