Home / 1,155,458.45-1,594,502.93-639,231.77

Finding the Fourth Proportional to 1,155,458.45, 1,594,502.93 and 639,231.77

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Solution

The fourth proportional to 1,155,458.45, 1,594,502.93 and 639,231.77 is: 882,123.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,458.45 : 1,594,502.93 = 639,231.77 : x
  2. Step 2: Convert to fraction form
    1,155,458.45/1,594,502.93 = 639,231.77/x
  3. Step 3: Cross multiply
    1,155,458.45x = 1,594,502.93 × 639,231.77
  4. Step 4: Simplify right side
    1,155,458.45x = 1,019,256,919,045.41
  5. Step 5: Solve for x
    x = 1,019,256,919,045.41/1,155,458.45
  6. Step 6: Final answer
    x = 882,123.39

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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.