Home / 1,402,422.30-2,103,742.80-603,729.90

Finding the Fourth Proportional to 1,402,422.30, 2,103,742.80 and 603,729.90

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Solution

The fourth proportional to 1,402,422.30, 2,103,742.80 and 603,729.90 is: 905,641.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,422.30 : 2,103,742.80 = 603,729.90 : x
  2. Step 2: Convert to fraction form
    1,402,422.30/2,103,742.80 = 603,729.90/x
  3. Step 3: Cross multiply
    1,402,422.30x = 2,103,742.80 × 603,729.90
  4. Step 4: Simplify right side
    1,402,422.30x = 1,270,092,430,269.72
  5. Step 5: Solve for x
    x = 1,270,092,430,269.72/1,402,422.30
  6. Step 6: Final answer
    x = 905,641.92

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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.