Home / 1,518,963.60-2,278,445.40-620,106.60

Finding the Fourth Proportional to 1,518,963.60, 2,278,445.40 and 620,106.60

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Solution

The fourth proportional to 1,518,963.60, 2,278,445.40 and 620,106.60 is: 930,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,963.60 : 2,278,445.40 = 620,106.60 : x
  2. Step 2: Convert to fraction form
    1,518,963.60/2,278,445.40 = 620,106.60/x
  3. Step 3: Cross multiply
    1,518,963.60x = 2,278,445.40 × 620,106.60
  4. Step 4: Simplify right side
    1,518,963.60x = 1,412,879,030,279.64
  5. Step 5: Solve for x
    x = 1,412,879,030,279.64/1,518,963.60
  6. Step 6: Final answer
    x = 930,159.90

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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.