Home / 1,488,731.52-2,054,410.56-868,655.28

Finding the Fourth Proportional to 1,488,731.52, 2,054,410.56 and 868,655.28

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Solution

The fourth proportional to 1,488,731.52, 2,054,410.56 and 868,655.28 is: 1,198,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,731.52 : 2,054,410.56 = 868,655.28 : x
  2. Step 2: Convert to fraction form
    1,488,731.52/2,054,410.56 = 868,655.28/x
  3. Step 3: Cross multiply
    1,488,731.52x = 2,054,410.56 × 868,655.28
  4. Step 4: Simplify right side
    1,488,731.52x = 1,784,574,580,231.76
  5. Step 5: Solve for x
    x = 1,784,574,580,231.76/1,488,731.52
  6. Step 6: Final answer
    x = 1,198,721.57

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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.