Home / 1,325,777.63-1,829,487.01-781,788.71

Finding the Fourth Proportional to 1,325,777.63, 1,829,487.01 and 781,788.71

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Solution

The fourth proportional to 1,325,777.63, 1,829,487.01 and 781,788.71 is: 1,078,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,777.63 : 1,829,487.01 = 781,788.71 : x
  2. Step 2: Convert to fraction form
    1,325,777.63/1,829,487.01 = 781,788.71/x
  3. Step 3: Cross multiply
    1,325,777.63x = 1,829,487.01 × 781,788.71
  4. Step 4: Simplify right side
    1,325,777.63x = 1,430,272,293,594.76
  5. Step 5: Solve for x
    x = 1,430,272,293,594.76/1,325,777.63
  6. Step 6: Final answer
    x = 1,078,817.64

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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.