Home / 1,505,655.05-2,258,483.95-1,238,854.72

Finding the Fourth Proportional to 1,505,655.05, 2,258,483.95 and 1,238,854.72

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Solution

The fourth proportional to 1,505,655.05, 2,258,483.95 and 1,238,854.72 is: 1,858,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,655.05 : 2,258,483.95 = 1,238,854.72 : x
  2. Step 2: Convert to fraction form
    1,505,655.05/2,258,483.95 = 1,238,854.72/x
  3. Step 3: Cross multiply
    1,505,655.05x = 2,258,483.95 × 1,238,854.72
  4. Step 4: Simplify right side
    1,505,655.05x = 2,797,933,501,638.76
  5. Step 5: Solve for x
    x = 2,797,933,501,638.76/1,505,655.05
  6. Step 6: Final answer
    x = 1,858,283.21

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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.