Home / 1,585,244.80-2,378,155.20-519,990.40

Finding the Fourth Proportional to 1,585,244.80, 2,378,155.20 and 519,990.40

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Solution

The fourth proportional to 1,585,244.80, 2,378,155.20 and 519,990.40 is: 780,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,244.80 : 2,378,155.20 = 519,990.40 : x
  2. Step 2: Convert to fraction form
    1,585,244.80/2,378,155.20 = 519,990.40/x
  3. Step 3: Cross multiply
    1,585,244.80x = 2,378,155.20 × 519,990.40
  4. Step 4: Simplify right side
    1,585,244.80x = 1,236,617,873,710.08
  5. Step 5: Solve for x
    x = 1,236,617,873,710.08/1,585,244.80
  6. Step 6: Final answer
    x = 780,080.07

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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.