Home / 1,048,064.70-1,571,809.05-289,726.14

Finding the Fourth Proportional to 1,048,064.70, 1,571,809.05 and 289,726.14

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Solution

The fourth proportional to 1,048,064.70, 1,571,809.05 and 289,726.14 is: 434,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,064.70 : 1,571,809.05 = 289,726.14 : x
  2. Step 2: Convert to fraction form
    1,048,064.70/1,571,809.05 = 289,726.14/x
  3. Step 3: Cross multiply
    1,048,064.70x = 1,571,809.05 × 289,726.14
  4. Step 4: Simplify right side
    1,048,064.70x = 455,394,168,873.57
  5. Step 5: Solve for x
    x = 455,394,168,873.57/1,048,064.70
  6. Step 6: Final answer
    x = 434,509.60

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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.