Home / 920,701.60-1,378,719.60-734,077.60

Finding the Fourth Proportional to 920,701.60, 1,378,719.60 and 734,077.60

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Solution

The fourth proportional to 920,701.60, 1,378,719.60 and 734,077.60 is: 1,099,256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,701.60 : 1,378,719.60 = 734,077.60 : x
  2. Step 2: Convert to fraction form
    920,701.60/1,378,719.60 = 734,077.60/x
  3. Step 3: Cross multiply
    920,701.60x = 1,378,719.60 × 734,077.60
  4. Step 4: Simplify right side
    920,701.60x = 1,012,087,175,040.96
  5. Step 5: Solve for x
    x = 1,012,087,175,040.96/920,701.60
  6. Step 6: Final answer
    x = 1,099,256.45

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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.