Home / 1,292,252.76-1,783,308.60-719,280.72

Finding the Fourth Proportional to 1,292,252.76, 1,783,308.60 and 719,280.72

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Solution

The fourth proportional to 1,292,252.76, 1,783,308.60 and 719,280.72 is: 992,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,252.76 : 1,783,308.60 = 719,280.72 : x
  2. Step 2: Convert to fraction form
    1,292,252.76/1,783,308.60 = 719,280.72/x
  3. Step 3: Cross multiply
    1,292,252.76x = 1,783,308.60 × 719,280.72
  4. Step 4: Simplify right side
    1,292,252.76x = 1,282,699,493,790.19
  5. Step 5: Solve for x
    x = 1,282,699,493,790.19/1,292,252.76
  6. Step 6: Final answer
    x = 992,607.28

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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.