Home / 1,585,847.80-2,378,771.70-520,924.60

Finding the Fourth Proportional to 1,585,847.80, 2,378,771.70 and 520,924.60

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Solution

The fourth proportional to 1,585,847.80, 2,378,771.70 and 520,924.60 is: 781,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,847.80 : 2,378,771.70 = 520,924.60 : x
  2. Step 2: Convert to fraction form
    1,585,847.80/2,378,771.70 = 520,924.60/x
  3. Step 3: Cross multiply
    1,585,847.80x = 2,378,771.70 × 520,924.60
  4. Step 4: Simplify right side
    1,585,847.80x = 1,239,160,696,313.82
  5. Step 5: Solve for x
    x = 1,239,160,696,313.82/1,585,847.80
  6. Step 6: Final answer
    x = 781,386.90

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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.