Home / 1,087,195.21-1,500,379.20-603,762.50

Finding the Fourth Proportional to 1,087,195.21, 1,500,379.20 and 603,762.50

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Solution

The fourth proportional to 1,087,195.21, 1,500,379.20 and 603,762.50 is: 833,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,195.21 : 1,500,379.20 = 603,762.50 : x
  2. Step 2: Convert to fraction form
    1,087,195.21/1,500,379.20 = 603,762.50/x
  3. Step 3: Cross multiply
    1,087,195.21x = 1,500,379.20 × 603,762.50
  4. Step 4: Simplify right side
    1,087,195.21x = 905,872,700,490.95
  5. Step 5: Solve for x
    x = 905,872,700,490.95/1,087,195.21
  6. Step 6: Final answer
    x = 833,219.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.