Home / 1,000,628.90-1,501,223.95-402,010.42

Finding the Fourth Proportional to 1,000,628.90, 1,501,223.95 and 402,010.42

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Solution

The fourth proportional to 1,000,628.90, 1,501,223.95 and 402,010.42 is: 603,128.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,628.90 : 1,501,223.95 = 402,010.42 : x
  2. Step 2: Convert to fraction form
    1,000,628.90/1,501,223.95 = 402,010.42/x
  3. Step 3: Cross multiply
    1,000,628.90x = 1,501,223.95 × 402,010.42
  4. Step 4: Simplify right side
    1,000,628.90x = 603,507,663,147.44
  5. Step 5: Solve for x
    x = 603,507,663,147.44/1,000,628.90
  6. Step 6: Final answer
    x = 603,128.36

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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.