Home / 1,470,390.45-2,205,721.76-571,900.38

Finding the Fourth Proportional to 1,470,390.45, 2,205,721.76 and 571,900.38

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Solution

The fourth proportional to 1,470,390.45, 2,205,721.76 and 571,900.38 is: 857,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,390.45 : 2,205,721.76 = 571,900.38 : x
  2. Step 2: Convert to fraction form
    1,470,390.45/2,205,721.76 = 571,900.38/x
  3. Step 3: Cross multiply
    1,470,390.45x = 2,205,721.76 × 571,900.38
  4. Step 4: Simplify right side
    1,470,390.45x = 1,261,453,101,587.31
  5. Step 5: Solve for x
    x = 1,261,453,101,587.31/1,470,390.45
  6. Step 6: Final answer
    x = 857,903.49

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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.