Home / 1,488,696.76-2,232,709.80-423,715.24

Finding the Fourth Proportional to 1,488,696.76, 2,232,709.80 and 423,715.24

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Solution

The fourth proportional to 1,488,696.76, 2,232,709.80 and 423,715.24 is: 635,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,696.76 : 2,232,709.80 = 423,715.24 : x
  2. Step 2: Convert to fraction form
    1,488,696.76/2,232,709.80 = 423,715.24/x
  3. Step 3: Cross multiply
    1,488,696.76x = 2,232,709.80 × 423,715.24
  4. Step 4: Simplify right side
    1,488,696.76x = 946,033,168,757.35
  5. Step 5: Solve for x
    x = 946,033,168,757.35/1,488,696.76
  6. Step 6: Final answer
    x = 635,477.41

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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.