Home / 1,257,900.02-1,735,671.40-741,815.81

Finding the Fourth Proportional to 1,257,900.02, 1,735,671.40 and 741,815.81

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Solution

The fourth proportional to 1,257,900.02, 1,735,671.40 and 741,815.81 is: 1,023,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,900.02 : 1,735,671.40 = 741,815.81 : x
  2. Step 2: Convert to fraction form
    1,257,900.02/1,735,671.40 = 741,815.81/x
  3. Step 3: Cross multiply
    1,257,900.02x = 1,735,671.40 × 741,815.81
  4. Step 4: Simplify right side
    1,257,900.02x = 1,287,548,485,484.83
  5. Step 5: Solve for x
    x = 1,287,548,485,484.83/1,257,900.02
  6. Step 6: Final answer
    x = 1,023,569.81

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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.