Home / 1,210,702.73-1,671,410.95-938,158.79

Finding the Fourth Proportional to 1,210,702.73, 1,671,410.95 and 938,158.79

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Solution

The fourth proportional to 1,210,702.73, 1,671,410.95 and 938,158.79 is: 1,295,155.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,702.73 : 1,671,410.95 = 938,158.79 : x
  2. Step 2: Convert to fraction form
    1,210,702.73/1,671,410.95 = 938,158.79/x
  3. Step 3: Cross multiply
    1,210,702.73x = 1,671,410.95 × 938,158.79
  4. Step 4: Simplify right side
    1,210,702.73x = 1,568,048,865,575.43
  5. Step 5: Solve for x
    x = 1,568,048,865,575.43/1,210,702.73
  6. Step 6: Final answer
    x = 1,295,155.97

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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.