Home / 1,425,380.51-1,967,025.65-780,823.95

Finding the Fourth Proportional to 1,425,380.51, 1,967,025.65 and 780,823.95

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Solution

The fourth proportional to 1,425,380.51, 1,967,025.65 and 780,823.95 is: 1,077,537.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,380.51 : 1,967,025.65 = 780,823.95 : x
  2. Step 2: Convert to fraction form
    1,425,380.51/1,967,025.65 = 780,823.95/x
  3. Step 3: Cross multiply
    1,425,380.51x = 1,967,025.65 × 780,823.95
  4. Step 4: Simplify right side
    1,425,380.51x = 1,535,900,733,880.20
  5. Step 5: Solve for x
    x = 1,535,900,733,880.20/1,425,380.51
  6. Step 6: Final answer
    x = 1,077,537.35

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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.