Home / 1,754,121.60-2,630,404.80-807,782.40

Finding the Fourth Proportional to 1,754,121.60, 2,630,404.80 and 807,782.40

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Solution

The fourth proportional to 1,754,121.60, 2,630,404.80 and 807,782.40 is: 1,211,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,121.60 : 2,630,404.80 = 807,782.40 : x
  2. Step 2: Convert to fraction form
    1,754,121.60/2,630,404.80 = 807,782.40/x
  3. Step 3: Cross multiply
    1,754,121.60x = 2,630,404.80 × 807,782.40
  4. Step 4: Simplify right side
    1,754,121.60x = 2,124,794,702,315.52
  5. Step 5: Solve for x
    x = 2,124,794,702,315.52/1,754,121.60
  6. Step 6: Final answer
    x = 1,211,315.51

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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.