Home / 1,125,722.40-1,553,494.32-616,420.32

Finding the Fourth Proportional to 1,125,722.40, 1,553,494.32 and 616,420.32

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Solution

The fourth proportional to 1,125,722.40, 1,553,494.32 and 616,420.32 is: 850,658.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,722.40 : 1,553,494.32 = 616,420.32 : x
  2. Step 2: Convert to fraction form
    1,125,722.40/1,553,494.32 = 616,420.32/x
  3. Step 3: Cross multiply
    1,125,722.40x = 1,553,494.32 × 616,420.32
  4. Step 4: Simplify right side
    1,125,722.40x = 957,605,465,852.58
  5. Step 5: Solve for x
    x = 957,605,465,852.58/1,125,722.40
  6. Step 6: Final answer
    x = 850,658.62

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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.