Home / 1,573,288.47-2,362,288.19-900,128.79

Finding the Fourth Proportional to 1,573,288.47, 2,362,288.19 and 900,128.79

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Solution

The fourth proportional to 1,573,288.47, 2,362,288.19 and 900,128.79 is: 1,351,540.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,288.47 : 2,362,288.19 = 900,128.79 : x
  2. Step 2: Convert to fraction form
    1,573,288.47/2,362,288.19 = 900,128.79/x
  3. Step 3: Cross multiply
    1,573,288.47x = 2,362,288.19 × 900,128.79
  4. Step 4: Simplify right side
    1,573,288.47x = 2,126,363,605,595.35
  5. Step 5: Solve for x
    x = 2,126,363,605,595.35/1,573,288.47
  6. Step 6: Final answer
    x = 1,351,540.83

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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.