Home / 1,218,354.56-1,681,505.16-702,009.56

Finding the Fourth Proportional to 1,218,354.56, 1,681,505.16 and 702,009.56

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Solution

The fourth proportional to 1,218,354.56, 1,681,505.16 and 702,009.56 is: 968,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,354.56 : 1,681,505.16 = 702,009.56 : x
  2. Step 2: Convert to fraction form
    1,218,354.56/1,681,505.16 = 702,009.56/x
  3. Step 3: Cross multiply
    1,218,354.56x = 1,681,505.16 × 702,009.56
  4. Step 4: Simplify right side
    1,218,354.56x = 1,180,432,697,509.33
  5. Step 5: Solve for x
    x = 1,180,432,697,509.33/1,218,354.56
  6. Step 6: Final answer
    x = 968,874.53

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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.