Home / 1,262,671.95-1,742,055.08-718,671.63

Finding the Fourth Proportional to 1,262,671.95, 1,742,055.08 and 718,671.63

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Solution

The fourth proportional to 1,262,671.95, 1,742,055.08 and 718,671.63 is: 991,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,671.95 : 1,742,055.08 = 718,671.63 : x
  2. Step 2: Convert to fraction form
    1,262,671.95/1,742,055.08 = 718,671.63/x
  3. Step 3: Cross multiply
    1,262,671.95x = 1,742,055.08 × 718,671.63
  4. Step 4: Simplify right side
    1,262,671.95x = 1,251,965,560,300.02
  5. Step 5: Solve for x
    x = 1,251,965,560,300.02/1,262,671.95
  6. Step 6: Final answer
    x = 991,520.85

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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.