Home / 1,689,442.65-2,331,488.88-925,496.01

Finding the Fourth Proportional to 1,689,442.65, 2,331,488.88 and 925,496.01

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Solution

The fourth proportional to 1,689,442.65, 2,331,488.88 and 925,496.01 is: 1,277,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,442.65 : 2,331,488.88 = 925,496.01 : x
  2. Step 2: Convert to fraction form
    1,689,442.65/2,331,488.88 = 925,496.01/x
  3. Step 3: Cross multiply
    1,689,442.65x = 2,331,488.88 × 925,496.01
  4. Step 4: Simplify right side
    1,689,442.65x = 2,157,783,655,799.37
  5. Step 5: Solve for x
    x = 2,157,783,655,799.37/1,689,442.65
  6. Step 6: Final answer
    x = 1,277,216.28

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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.