Home / 1,000,627.90-1,501,222.45-402,009.42

Finding the Fourth Proportional to 1,000,627.90, 1,501,222.45 and 402,009.42

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Solution

The fourth proportional to 1,000,627.90, 1,501,222.45 and 402,009.42 is: 603,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,627.90 : 1,501,222.45 = 402,009.42 : x
  2. Step 2: Convert to fraction form
    1,000,627.90/1,501,222.45 = 402,009.42/x
  3. Step 3: Cross multiply
    1,000,627.90x = 1,501,222.45 × 402,009.42
  4. Step 4: Simplify right side
    1,000,627.90x = 603,505,566,415.48
  5. Step 5: Solve for x
    x = 603,505,566,415.48/1,000,627.90
  6. Step 6: Final answer
    x = 603,126.86

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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.