Home / 1,273,109.87-1,756,904.06-692,345.47

Finding the Fourth Proportional to 1,273,109.87, 1,756,904.06 and 692,345.47

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Solution

The fourth proportional to 1,273,109.87, 1,756,904.06 and 692,345.47 is: 955,443.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,109.87 : 1,756,904.06 = 692,345.47 : x
  2. Step 2: Convert to fraction form
    1,273,109.87/1,756,904.06 = 692,345.47/x
  3. Step 3: Cross multiply
    1,273,109.87x = 1,756,904.06 × 692,345.47
  4. Step 4: Simplify right side
    1,273,109.87x = 1,216,384,563,703.88
  5. Step 5: Solve for x
    x = 1,216,384,563,703.88/1,273,109.87
  6. Step 6: Final answer
    x = 955,443.51

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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.