Home / 1,078,893.60-1,617,823.52-509,801.12

Finding the Fourth Proportional to 1,078,893.60, 1,617,823.52 and 509,801.12

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Solution

The fourth proportional to 1,078,893.60, 1,617,823.52 and 509,801.12 is: 764,457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,893.60 : 1,617,823.52 = 509,801.12 : x
  2. Step 2: Convert to fraction form
    1,078,893.60/1,617,823.52 = 509,801.12/x
  3. Step 3: Cross multiply
    1,078,893.60x = 1,617,823.52 × 509,801.12
  4. Step 4: Simplify right side
    1,078,893.60x = 824,768,242,458.34
  5. Step 5: Solve for x
    x = 824,768,242,458.34/1,078,893.60
  6. Step 6: Final answer
    x = 764,457.44

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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.