Home / 1,257,358.82-1,886,356.57-358,803.75

Finding the Fourth Proportional to 1,257,358.82, 1,886,356.57 and 358,803.75

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Solution

The fourth proportional to 1,257,358.82, 1,886,356.57 and 358,803.75 is: 538,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,358.82 : 1,886,356.57 = 358,803.75 : x
  2. Step 2: Convert to fraction form
    1,257,358.82/1,886,356.57 = 358,803.75/x
  3. Step 3: Cross multiply
    1,257,358.82x = 1,886,356.57 × 358,803.75
  4. Step 4: Simplify right side
    1,257,358.82x = 676,831,810,256.13
  5. Step 5: Solve for x
    x = 676,831,810,256.13/1,257,358.82
  6. Step 6: Final answer
    x = 538,296.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.