Home / 1,585,308.80-2,378,251.20-520,054.40

Finding the Fourth Proportional to 1,585,308.80, 2,378,251.20 and 520,054.40

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Solution

The fourth proportional to 1,585,308.80, 2,378,251.20 and 520,054.40 is: 780,176.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,308.80 : 2,378,251.20 = 520,054.40 : x
  2. Step 2: Convert to fraction form
    1,585,308.80/2,378,251.20 = 520,054.40/x
  3. Step 3: Cross multiply
    1,585,308.80x = 2,378,251.20 × 520,054.40
  4. Step 4: Simplify right side
    1,585,308.80x = 1,236,820,000,865.28
  5. Step 5: Solve for x
    x = 1,236,820,000,865.28/1,585,308.80
  6. Step 6: Final answer
    x = 780,176.08

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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.