Home / 1,888,488.52-2,606,032.56-1,072,689.64

Finding the Fourth Proportional to 1,888,488.52, 2,606,032.56 and 1,072,689.64

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Solution

The fourth proportional to 1,888,488.52, 2,606,032.56 and 1,072,689.64 is: 1,480,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,488.52 : 2,606,032.56 = 1,072,689.64 : x
  2. Step 2: Convert to fraction form
    1,888,488.52/2,606,032.56 = 1,072,689.64/x
  3. Step 3: Cross multiply
    1,888,488.52x = 2,606,032.56 × 1,072,689.64
  4. Step 4: Simplify right side
    1,888,488.52x = 2,795,464,128,614.68
  5. Step 5: Solve for x
    x = 2,795,464,128,614.68/1,888,488.52
  6. Step 6: Final answer
    x = 1,480,265.35

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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.