Home / 1,438,595.33-2,158,248.15-427,712.90

Finding the Fourth Proportional to 1,438,595.33, 2,158,248.15 and 427,712.90

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Solution

The fourth proportional to 1,438,595.33, 2,158,248.15 and 427,712.90 is: 641,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,595.33 : 2,158,248.15 = 427,712.90 : x
  2. Step 2: Convert to fraction form
    1,438,595.33/2,158,248.15 = 427,712.90/x
  3. Step 3: Cross multiply
    1,438,595.33x = 2,158,248.15 × 427,712.90
  4. Step 4: Simplify right side
    1,438,595.33x = 923,110,564,364.89
  5. Step 5: Solve for x
    x = 923,110,564,364.89/1,438,595.33
  6. Step 6: Final answer
    x = 641,674.94

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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.