Home / 1,503,813.60-2,255,720.40-438,963.30

Finding the Fourth Proportional to 1,503,813.60, 2,255,720.40 and 438,963.30

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Solution

The fourth proportional to 1,503,813.60, 2,255,720.40 and 438,963.30 is: 658,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,813.60 : 2,255,720.40 = 438,963.30 : x
  2. Step 2: Convert to fraction form
    1,503,813.60/2,255,720.40 = 438,963.30/x
  3. Step 3: Cross multiply
    1,503,813.60x = 2,255,720.40 × 438,963.30
  4. Step 4: Simplify right side
    1,503,813.60x = 990,178,470,661.32
  5. Step 5: Solve for x
    x = 990,178,470,661.32/1,503,813.60
  6. Step 6: Final answer
    x = 658,444.95

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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.