Home / 1,425,487.95-2,138,009.04-465,936.30

Finding the Fourth Proportional to 1,425,487.95, 2,138,009.04 and 465,936.30

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Solution

The fourth proportional to 1,425,487.95, 2,138,009.04 and 465,936.30 is: 698,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,487.95 : 2,138,009.04 = 465,936.30 : x
  2. Step 2: Convert to fraction form
    1,425,487.95/2,138,009.04 = 465,936.30/x
  3. Step 3: Cross multiply
    1,425,487.95x = 2,138,009.04 × 465,936.30
  4. Step 4: Simplify right side
    1,425,487.95x = 996,176,021,464.15
  5. Step 5: Solve for x
    x = 996,176,021,464.15/1,425,487.95
  6. Step 6: Final answer
    x = 698,831.60

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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.