Home / 1,155,721.01-1,594,864.26-639,461.43

Finding the Fourth Proportional to 1,155,721.01, 1,594,864.26 and 639,461.43

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Solution

The fourth proportional to 1,155,721.01, 1,594,864.26 and 639,461.43 is: 882,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,721.01 : 1,594,864.26 = 639,461.43 : x
  2. Step 2: Convert to fraction form
    1,155,721.01/1,594,864.26 = 639,461.43/x
  3. Step 3: Cross multiply
    1,155,721.01x = 1,594,864.26 × 639,461.43
  4. Step 4: Simplify right side
    1,155,721.01x = 1,019,854,180,355.49
  5. Step 5: Solve for x
    x = 1,019,854,180,355.49/1,155,721.01
  6. Step 6: Final answer
    x = 882,439.77

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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.