Home / 1,102,465.40-1,652,123.70-628,148.60

Finding the Fourth Proportional to 1,102,465.40, 1,652,123.70 and 628,148.60

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Solution

The fourth proportional to 1,102,465.40, 1,652,123.70 and 628,148.60 is: 941,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,465.40 : 1,652,123.70 = 628,148.60 : x
  2. Step 2: Convert to fraction form
    1,102,465.40/1,652,123.70 = 628,148.60/x
  3. Step 3: Cross multiply
    1,102,465.40x = 1,652,123.70 × 628,148.60
  4. Step 4: Simplify right side
    1,102,465.40x = 1,037,779,189,181.82
  5. Step 5: Solve for x
    x = 1,037,779,189,181.82/1,102,465.40
  6. Step 6: Final answer
    x = 941,325.86

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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.