Home / 1,505,177.76-2,077,007.76-860,577.60

Finding the Fourth Proportional to 1,505,177.76, 2,077,007.76 and 860,577.60

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Solution

The fourth proportional to 1,505,177.76, 2,077,007.76 and 860,577.60 is: 1,187,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,177.76 : 2,077,007.76 = 860,577.60 : x
  2. Step 2: Convert to fraction form
    1,505,177.76/2,077,007.76 = 860,577.60/x
  3. Step 3: Cross multiply
    1,505,177.76x = 2,077,007.76 × 860,577.60
  4. Step 4: Simplify right side
    1,505,177.76x = 1,787,426,353,282.18
  5. Step 5: Solve for x
    x = 1,787,426,353,282.18/1,505,177.76
  6. Step 6: Final answer
    x = 1,187,518.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.