Home / 1,258,022.54-1,736,025.50-768,810.51

Finding the Fourth Proportional to 1,258,022.54, 1,736,025.50 and 768,810.51

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Solution

The fourth proportional to 1,258,022.54, 1,736,025.50 and 768,810.51 is: 1,060,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,022.54 : 1,736,025.50 = 768,810.51 : x
  2. Step 2: Convert to fraction form
    1,258,022.54/1,736,025.50 = 768,810.51/x
  3. Step 3: Cross multiply
    1,258,022.54x = 1,736,025.50 × 768,810.51
  4. Step 4: Simplify right side
    1,258,022.54x = 1,334,674,651,950.03
  5. Step 5: Solve for x
    x = 1,334,674,651,950.03/1,258,022.54
  6. Step 6: Final answer
    x = 1,060,930.63

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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.