Home / 920,686.60-1,378,697.10-734,062.60

Finding the Fourth Proportional to 920,686.60, 1,378,697.10 and 734,062.60

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Solution

The fourth proportional to 920,686.60, 1,378,697.10 and 734,062.60 is: 1,099,233.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,686.60 : 1,378,697.10 = 734,062.60 : x
  2. Step 2: Convert to fraction form
    920,686.60/1,378,697.10 = 734,062.60/x
  3. Step 3: Cross multiply
    920,686.60x = 1,378,697.10 × 734,062.60
  4. Step 4: Simplify right side
    920,686.60x = 1,012,049,977,838.46
  5. Step 5: Solve for x
    x = 1,012,049,977,838.46/920,686.60
  6. Step 6: Final answer
    x = 1,099,233.96

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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.