Home / 1,000,626.90-1,501,220.95-402,008.42

Finding the Fourth Proportional to 1,000,626.90, 1,501,220.95 and 402,008.42

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Solution

The fourth proportional to 1,000,626.90, 1,501,220.95 and 402,008.42 is: 603,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,626.90 : 1,501,220.95 = 402,008.42 : x
  2. Step 2: Convert to fraction form
    1,000,626.90/1,501,220.95 = 402,008.42/x
  3. Step 3: Cross multiply
    1,000,626.90x = 1,501,220.95 × 402,008.42
  4. Step 4: Simplify right side
    1,000,626.90x = 603,503,453,669.27
  5. Step 5: Solve for x
    x = 603,503,453,669.27/1,000,626.90
  6. Step 6: Final answer
    x = 603,125.35

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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.