Home / 1,078,104.60-1,616,930.10-545,124.60

Finding the Fourth Proportional to 1,078,104.60, 1,616,930.10 and 545,124.60

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Solution

The fourth proportional to 1,078,104.60, 1,616,930.10 and 545,124.60 is: 817,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,104.60 : 1,616,930.10 = 545,124.60 : x
  2. Step 2: Convert to fraction form
    1,078,104.60/1,616,930.10 = 545,124.60/x
  3. Step 3: Cross multiply
    1,078,104.60x = 1,616,930.10 × 545,124.60
  4. Step 4: Simplify right side
    1,078,104.60x = 881,428,373,990.46
  5. Step 5: Solve for x
    x = 881,428,373,990.46/1,078,104.60
  6. Step 6: Final answer
    x = 817,572.22

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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.