Home / 1,358,454.03-1,874,627.03-777,657.56

Finding the Fourth Proportional to 1,358,454.03, 1,874,627.03 and 777,657.56

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Solution

The fourth proportional to 1,358,454.03, 1,874,627.03 and 777,657.56 is: 1,073,144.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,454.03 : 1,874,627.03 = 777,657.56 : x
  2. Step 2: Convert to fraction form
    1,358,454.03/1,874,627.03 = 777,657.56/x
  3. Step 3: Cross multiply
    1,358,454.03x = 1,874,627.03 × 777,657.56
  4. Step 4: Simplify right side
    1,358,454.03x = 1,457,817,868,798.42
  5. Step 5: Solve for x
    x = 1,457,817,868,798.42/1,358,454.03
  6. Step 6: Final answer
    x = 1,073,144.79

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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.