Home / 1,689,463.40-2,331,452.58-925,564.52

Finding the Fourth Proportional to 1,689,463.40, 2,331,452.58 and 925,564.52

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Solution

The fourth proportional to 1,689,463.40, 2,331,452.58 and 925,564.52 is: 1,277,275.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,463.40 : 2,331,452.58 = 925,564.52 : x
  2. Step 2: Convert to fraction form
    1,689,463.40/2,331,452.58 = 925,564.52/x
  3. Step 3: Cross multiply
    1,689,463.40x = 2,331,452.58 × 925,564.52
  4. Step 4: Simplify right side
    1,689,463.40x = 2,157,909,788,110.46
  5. Step 5: Solve for x
    x = 2,157,909,788,110.46/1,689,463.40
  6. Step 6: Final answer
    x = 1,277,275.25

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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.