Home / 1,787,139.60-2,680,450.20-524,835.60

Finding the Fourth Proportional to 1,787,139.60, 2,680,450.20 and 524,835.60

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Solution

The fourth proportional to 1,787,139.60, 2,680,450.20 and 524,835.60 is: 787,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,139.60 : 2,680,450.20 = 524,835.60 : x
  2. Step 2: Convert to fraction form
    1,787,139.60/2,680,450.20 = 524,835.60/x
  3. Step 3: Cross multiply
    1,787,139.60x = 2,680,450.20 × 524,835.60
  4. Step 4: Simplify right side
    1,787,139.60x = 1,406,795,688,987.12
  5. Step 5: Solve for x
    x = 1,406,795,688,987.12/1,787,139.60
  6. Step 6: Final answer
    x = 787,177.28

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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.